./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 23:09:15,528 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 23:09:15,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-01 23:09:15,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 23:09:15,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 23:09:15,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 23:09:15,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 23:09:15,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 23:09:15,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 23:09:15,633 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 23:09:15,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 23:09:15,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 23:09:15,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 23:09:15,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 23:09:15,634 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 23:09:15,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 23:09:15,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 23:09:15,635 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 23:09:15,636 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:09:15,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:09:15,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:09:15,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 23:09:15,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-01 23:09:15,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 23:09:15,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 23:09:15,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 23:09:15,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 23:09:15,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 23:09:15,638 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7
[2024-12-01 23:09:15,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 23:09:15,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 23:09:15,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 23:09:15,940 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 23:09:15,941 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 23:09:15,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i
[2024-12-01 23:09:18,945 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/b4deaa830/f0b4a3c89f404855808b28a5ba176041/FLAG70b4074da
[2024-12-01 23:09:19,305 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 23:09:19,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i
[2024-12-01 23:09:19,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/b4deaa830/f0b4a3c89f404855808b28a5ba176041/FLAG70b4074da
[2024-12-01 23:09:19,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/b4deaa830/f0b4a3c89f404855808b28a5ba176041
[2024-12-01 23:09:19,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 23:09:19,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 23:09:19,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 23:09:19,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 23:09:19,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 23:09:19,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:09:19" (1/1) ...
[2024-12-01 23:09:19,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b08f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:19, skipping insertion in model container
[2024-12-01 23:09:19,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:09:19" (1/1) ...
[2024-12-01 23:09:19,592 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:09:20,222 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:09:20,236 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 23:09:20,357 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:09:20,400 INFO L204 MainTranslator]: Completed translation
[2024-12-01 23:09:20,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20 WrapperNode
[2024-12-01 23:09:20,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 23:09:20,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 23:09:20,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 23:09:20,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 23:09:20,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,493 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1452
[2024-12-01 23:09:20,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 23:09:20,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 23:09:20,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 23:09:20,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 23:09:20,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,598 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4].
[2024-12-01 23:09:20,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,637 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 23:09:20,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 23:09:20,677 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 23:09:20,677 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 23:09:20,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (1/1) ...
[2024-12-01 23:09:20,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:09:20,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:20,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 23:09:20,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-12-01 23:09:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-01 23:09:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero
[2024-12-01 23:09:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-01 23:09:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-01 23:09:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc
[2024-12-01 23:09:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-12-01 23:09:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free
[2024-12-01 23:09:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free
[2024-12-01 23:09:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 23:09:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-01 23:09:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-01 23:09:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-12-01 23:09:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 23:09:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 23:09:20,943 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 23:09:20,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 23:09:22,474 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live.
[2024-12-01 23:09:22,474 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 23:09:22,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 23:09:22,495 INFO L312 CfgBuilder]: Removed 36 assume(true) statements.
[2024-12-01 23:09:22,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:22 BoogieIcfgContainer
[2024-12-01 23:09:22,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 23:09:22,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 23:09:22,498 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 23:09:22,503 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 23:09:22,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:09:19" (1/3) ...
[2024-12-01 23:09:22,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654c4512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:09:22, skipping insertion in model container
[2024-12-01 23:09:22,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:20" (2/3) ...
[2024-12-01 23:09:22,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654c4512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:09:22, skipping insertion in model container
[2024-12-01 23:09:22,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:22" (3/3) ...
[2024-12-01 23:09:22,505 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i
[2024-12-01 23:09:22,519 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 23:09:22,520 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test6-1.i that has 6 procedures, 468 locations, 1 initial locations, 36 loop locations, and 14 error locations.
[2024-12-01 23:09:22,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 23:09:22,597 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@276a2e01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 23:09:22,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2024-12-01 23:09:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 468 states, 431 states have (on average 1.5986078886310904) internal successors, (689), 448 states have internal predecessors, (689), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-01 23:09:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-01 23:09:22,609 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:22,609 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:22,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:22,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:22,614 INFO L85 PathProgramCache]: Analyzing trace with hash -885637860, now seen corresponding path program 1 times
[2024-12-01 23:09:22,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:22,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208650931]
[2024-12-01 23:09:22,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:22,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:22,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:22,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208650931]
[2024-12-01 23:09:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208650931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:22,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:22,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:09:22,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244099934]
[2024-12-01 23:09:22,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:22,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-01 23:09:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:22,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-01 23:09:22,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-01 23:09:22,846 INFO L87 Difference]: Start difference. First operand has 468 states, 431 states have (on average 1.5986078886310904) internal successors, (689), 448 states have internal predecessors, (689), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:22,908 INFO L93 Difference]: Finished difference Result 929 states and 1453 transitions.
[2024-12-01 23:09:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-01 23:09:22,910 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-01 23:09:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:22,918 INFO L225 Difference]: With dead ends: 929
[2024-12-01 23:09:22,918 INFO L226 Difference]: Without dead ends: 449
[2024-12-01 23:09:22,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-01 23:09:22,926 INFO L435 NwaCegarLoop]: 647 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:22,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:09:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states.
[2024-12-01 23:09:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449.
[2024-12-01 23:09:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 421 states have (on average 1.4418052256532066) internal successors, (607), 435 states have internal predecessors, (607), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:09:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 627 transitions.
[2024-12-01 23:09:22,993 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 627 transitions. Word has length 9
[2024-12-01 23:09:22,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:22,994 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 627 transitions.
[2024-12-01 23:09:22,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 627 transitions.
[2024-12-01 23:09:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-01 23:09:22,994 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:22,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:22,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-01 23:09:22,995 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:22,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:22,995 INFO L85 PathProgramCache]: Analyzing trace with hash -885635938, now seen corresponding path program 1 times
[2024-12-01 23:09:22,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:22,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819205014]
[2024-12-01 23:09:22,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:22,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-01 23:09:23,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030183746]
[2024-12-01 23:09:23,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:23,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:23,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:23,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:23,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-01 23:09:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:23,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:23,247 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:23,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:09:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:23,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:23,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:23,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819205014]
[2024-12-01 23:09:23,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-01 23:09:23,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030183746]
[2024-12-01 23:09:23,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030183746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:23,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:23,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:09:23,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704276461]
[2024-12-01 23:09:23,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:23,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:09:23,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:23,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:09:23,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:09:23,361 INFO L87 Difference]: Start difference. First operand 449 states and 627 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:23,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:23,594 INFO L93 Difference]: Finished difference Result 864 states and 1221 transitions.
[2024-12-01 23:09:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:09:23,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-01 23:09:23,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:23,601 INFO L225 Difference]: With dead ends: 864
[2024-12-01 23:09:23,601 INFO L226 Difference]: Without dead ends: 863
[2024-12-01 23:09:23,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:09:23,603 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 568 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:23,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1903 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:09:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states.
[2024-12-01 23:09:23,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 456.
[2024-12-01 23:09:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 428 states have (on average 1.4369158878504673) internal successors, (615), 442 states have internal predecessors, (615), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:09:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 635 transitions.
[2024-12-01 23:09:23,640 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 635 transitions. Word has length 9
[2024-12-01 23:09:23,641 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:23,641 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 635 transitions.
[2024-12-01 23:09:23,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 635 transitions.
[2024-12-01 23:09:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-01 23:09:23,641 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:23,641 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:23,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-01 23:09:23,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-12-01 23:09:23,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:23,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:23,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1684910197, now seen corresponding path program 1 times
[2024-12-01 23:09:23,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:23,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340535621]
[2024-12-01 23:09:23,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:23,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-01 23:09:23,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341640157]
[2024-12-01 23:09:23,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:23,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:23,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:23,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:23,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-01 23:09:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:24,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:24,076 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:24,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:09:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:24,115 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:24,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:24,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340535621]
[2024-12-01 23:09:24,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-01 23:09:24,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341640157]
[2024-12-01 23:09:24,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341640157] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:24,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:24,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:09:24,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538146941]
[2024-12-01 23:09:24,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:24,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:09:24,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:24,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:09:24,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:09:24,117 INFO L87 Difference]: Start difference. First operand 456 states and 635 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:24,301 INFO L93 Difference]: Finished difference Result 863 states and 1220 transitions.
[2024-12-01 23:09:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:09:24,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-12-01 23:09:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:24,308 INFO L225 Difference]: With dead ends: 863
[2024-12-01 23:09:24,308 INFO L226 Difference]: Without dead ends: 862
[2024-12-01 23:09:24,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:09:24,309 INFO L435 NwaCegarLoop]: 655 mSDtfsCounter, 566 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:24,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1904 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states.
[2024-12-01 23:09:24,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 457.
[2024-12-01 23:09:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 429 states have (on average 1.435897435897436) internal successors, (616), 443 states have internal predecessors, (616), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:09:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 636 transitions.
[2024-12-01 23:09:24,338 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 636 transitions. Word has length 10
[2024-12-01 23:09:24,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:24,339 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 636 transitions.
[2024-12-01 23:09:24,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 636 transitions.
[2024-12-01 23:09:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-12-01 23:09:24,342 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:24,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:24,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-01 23:09:24,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:24,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:24,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:24,543 INFO L85 PathProgramCache]: Analyzing trace with hash 970279471, now seen corresponding path program 1 times
[2024-12-01 23:09:24,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:24,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221814544]
[2024-12-01 23:09:24,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:24,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:24,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221814544]
[2024-12-01 23:09:24,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221814544] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:24,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:24,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:09:24,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50403827]
[2024-12-01 23:09:24,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:24,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:09:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:24,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:09:24,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:09:24,866 INFO L87 Difference]: Start difference. First operand 457 states and 636 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:24,977 INFO L93 Difference]: Finished difference Result 924 states and 1291 transitions.
[2024-12-01 23:09:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:09:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65
[2024-12-01 23:09:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:24,981 INFO L225 Difference]: With dead ends: 924
[2024-12-01 23:09:24,981 INFO L226 Difference]: Without dead ends: 477
[2024-12-01 23:09:24,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:09:24,983 INFO L435 NwaCegarLoop]: 607 mSDtfsCounter, 9 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:24,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1199 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states.
[2024-12-01 23:09:25,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477.
[2024-12-01 23:09:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 449 states have (on average 1.4164810690423162) internal successors, (636), 463 states have internal predecessors, (636), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:09:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 656 transitions.
[2024-12-01 23:09:25,007 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 656 transitions. Word has length 65
[2024-12-01 23:09:25,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:25,007 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 656 transitions.
[2024-12-01 23:09:25,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:25,008 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 656 transitions.
[2024-12-01 23:09:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-12-01 23:09:25,011 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:25,011 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:25,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-01 23:09:25,011 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:25,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:25,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1275100723, now seen corresponding path program 1 times
[2024-12-01 23:09:25,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:25,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880859930]
[2024-12-01 23:09:25,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:25,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:25,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:25,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880859930]
[2024-12-01 23:09:25,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880859930] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:25,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:25,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:09:25,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794870721]
[2024-12-01 23:09:25,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:25,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:09:25,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:25,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:09:25,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:09:25,264 INFO L87 Difference]: Start difference. First operand 477 states and 656 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:25,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:25,373 INFO L93 Difference]: Finished difference Result 930 states and 1287 transitions.
[2024-12-01 23:09:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:09:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65
[2024-12-01 23:09:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:25,377 INFO L225 Difference]: With dead ends: 930
[2024-12-01 23:09:25,377 INFO L226 Difference]: Without dead ends: 463
[2024-12-01 23:09:25,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:09:25,380 INFO L435 NwaCegarLoop]: 599 mSDtfsCounter, 106 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:25,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1703 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:25,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states.
[2024-12-01 23:09:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463.
[2024-12-01 23:09:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 435 states have (on average 1.4137931034482758) internal successors, (615), 449 states have internal predecessors, (615), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:09:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 635 transitions.
[2024-12-01 23:09:25,403 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 635 transitions. Word has length 65
[2024-12-01 23:09:25,403 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:25,403 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 635 transitions.
[2024-12-01 23:09:25,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 635 transitions.
[2024-12-01 23:09:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-12-01 23:09:25,406 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:25,406 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:25,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-01 23:09:25,407 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:25,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:25,407 INFO L85 PathProgramCache]: Analyzing trace with hash 459047269, now seen corresponding path program 1 times
[2024-12-01 23:09:25,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:25,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857499304]
[2024-12-01 23:09:25,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:25,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:25,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857499304]
[2024-12-01 23:09:25,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857499304] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:25,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:25,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:09:25,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669718780]
[2024-12-01 23:09:25,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:25,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:09:25,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:25,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:09:25,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:09:25,729 INFO L87 Difference]: Start difference. First operand 463 states and 635 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:25,788 INFO L93 Difference]: Finished difference Result 843 states and 1169 transitions.
[2024-12-01 23:09:25,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:09:25,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65
[2024-12-01 23:09:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:25,795 INFO L225 Difference]: With dead ends: 843
[2024-12-01 23:09:25,796 INFO L226 Difference]: Without dead ends: 839
[2024-12-01 23:09:25,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:09:25,797 INFO L435 NwaCegarLoop]: 615 mSDtfsCounter, 459 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:25,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1838 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:09:25,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states.
[2024-12-01 23:09:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 831.
[2024-12-01 23:09:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 800 states have (on average 1.42375) internal successors, (1139), 815 states have internal predecessors, (1139), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-01 23:09:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1165 transitions.
[2024-12-01 23:09:25,835 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1165 transitions. Word has length 65
[2024-12-01 23:09:25,835 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:25,835 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1165 transitions.
[2024-12-01 23:09:25,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1165 transitions.
[2024-12-01 23:09:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2024-12-01 23:09:25,837 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:25,837 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:25,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-01 23:09:25,837 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:25,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:25,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1256927071, now seen corresponding path program 1 times
[2024-12-01 23:09:25,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:25,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63453248]
[2024-12-01 23:09:25,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:25,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:26,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:26,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63453248]
[2024-12-01 23:09:26,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63453248] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:26,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:26,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:09:26,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571597324]
[2024-12-01 23:09:26,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:26,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:09:26,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:26,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:09:26,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:09:26,094 INFO L87 Difference]: Start difference. First operand 831 states and 1165 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:26,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:26,239 INFO L93 Difference]: Finished difference Result 1861 states and 2640 transitions.
[2024-12-01 23:09:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:09:26,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71
[2024-12-01 23:09:26,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:26,247 INFO L225 Difference]: With dead ends: 1861
[2024-12-01 23:09:26,247 INFO L226 Difference]: Without dead ends: 1457
[2024-12-01 23:09:26,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:09:26,249 INFO L435 NwaCegarLoop]: 607 mSDtfsCounter, 563 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:26,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1800 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states.
[2024-12-01 23:09:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 831.
[2024-12-01 23:09:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 800 states have (on average 1.4225) internal successors, (1138), 815 states have internal predecessors, (1138), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-01 23:09:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1164 transitions.
[2024-12-01 23:09:26,288 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1164 transitions. Word has length 71
[2024-12-01 23:09:26,288 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:26,288 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1164 transitions.
[2024-12-01 23:09:26,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1164 transitions.
[2024-12-01 23:09:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-12-01 23:09:26,290 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:26,290 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:26,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-01 23:09:26,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:26,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1733272106, now seen corresponding path program 1 times
[2024-12-01 23:09:26,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:26,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107973023]
[2024-12-01 23:09:26,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:26,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:26,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:26,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107973023]
[2024-12-01 23:09:26,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107973023] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:26,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:26,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:09:26,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131309819]
[2024-12-01 23:09:26,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:26,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:09:26,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:26,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:09:26,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:09:26,509 INFO L87 Difference]: Start difference. First operand 831 states and 1164 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:09:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:26,545 INFO L93 Difference]: Finished difference Result 1063 states and 1480 transitions.
[2024-12-01 23:09:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:09:26,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75
[2024-12-01 23:09:26,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:26,551 INFO L225 Difference]: With dead ends: 1063
[2024-12-01 23:09:26,551 INFO L226 Difference]: Without dead ends: 1061
[2024-12-01 23:09:26,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:09:26,552 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 485 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:26,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1232 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:09:26,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states.
[2024-12-01 23:09:26,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1051.
[2024-12-01 23:09:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1012 states have (on average 1.424901185770751) internal successors, (1442), 1028 states have internal predecessors, (1442), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-01 23:09:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1478 transitions.
[2024-12-01 23:09:26,592 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1478 transitions. Word has length 75
[2024-12-01 23:09:26,592 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:26,592 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1478 transitions.
[2024-12-01 23:09:26,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:09:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1478 transitions.
[2024-12-01 23:09:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-12-01 23:09:26,594 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:26,594 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:26,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-01 23:09:26,594 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:26,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:26,594 INFO L85 PathProgramCache]: Analyzing trace with hash 539465967, now seen corresponding path program 1 times
[2024-12-01 23:09:26,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:26,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248906330]
[2024-12-01 23:09:26,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:26,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:26,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:26,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248906330]
[2024-12-01 23:09:26,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248906330] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:26,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171332423]
[2024-12-01 23:09:26,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:26,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:26,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:26,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:26,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-01 23:09:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:27,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:27,239 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:27,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:27,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171332423] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:27,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:09:27,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10
[2024-12-01 23:09:27,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239288591]
[2024-12-01 23:09:27,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:27,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:09:27,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:27,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:09:27,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2024-12-01 23:09:27,315 INFO L87 Difference]: Start difference. First operand 1051 states and 1478 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 23:09:27,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:27,384 INFO L93 Difference]: Finished difference Result 1429 states and 2010 transitions.
[2024-12-01 23:09:27,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:09:27,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84
[2024-12-01 23:09:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:27,390 INFO L225 Difference]: With dead ends: 1429
[2024-12-01 23:09:27,390 INFO L226 Difference]: Without dead ends: 1428
[2024-12-01 23:09:27,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2024-12-01 23:09:27,391 INFO L435 NwaCegarLoop]: 611 mSDtfsCounter, 585 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:27,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1756 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:09:27,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states.
[2024-12-01 23:09:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1222.
[2024-12-01 23:09:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1181 states have (on average 1.4233700254022015) internal successors, (1681), 1198 states have internal predecessors, (1681), 20 states have call successors, (20), 10 states have call predecessors, (20), 7 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20)
[2024-12-01 23:09:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1721 transitions.
[2024-12-01 23:09:27,437 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1721 transitions. Word has length 84
[2024-12-01 23:09:27,437 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:27,437 INFO L471 AbstractCegarLoop]: Abstraction has 1222 states and 1721 transitions.
[2024-12-01 23:09:27,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 23:09:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1721 transitions.
[2024-12-01 23:09:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-12-01 23:09:27,438 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:27,438 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:27,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-01 23:09:27,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:27,639 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:27,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:27,639 INFO L85 PathProgramCache]: Analyzing trace with hash -456424166, now seen corresponding path program 1 times
[2024-12-01 23:09:27,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:27,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607739780]
[2024-12-01 23:09:27,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:27,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:27,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607739780]
[2024-12-01 23:09:27,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607739780] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:27,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393369152]
[2024-12-01 23:09:27,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:27,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:27,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-01 23:09:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:28,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:28,230 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:28,404 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:09:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:28,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393369152] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:09:28,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:09:28,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17
[2024-12-01 23:09:28,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711110742]
[2024-12-01 23:09:28,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:09:28,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-12-01 23:09:28,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:28,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-12-01 23:09:28,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306
[2024-12-01 23:09:28,650 INFO L87 Difference]: Start difference. First operand 1222 states and 1721 transitions. Second operand has 18 states, 17 states have (on average 13.411764705882353) internal successors, (228), 15 states have internal predecessors, (228), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6)
[2024-12-01 23:09:29,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:29,547 INFO L93 Difference]: Finished difference Result 3335 states and 4685 transitions.
[2024-12-01 23:09:29,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-12-01 23:09:29,548 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 13.411764705882353) internal successors, (228), 15 states have internal predecessors, (228), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 85
[2024-12-01 23:09:29,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:29,562 INFO L225 Difference]: With dead ends: 3335
[2024-12-01 23:09:29,562 INFO L226 Difference]: Without dead ends: 3333
[2024-12-01 23:09:29,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260
[2024-12-01 23:09:29,564 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 5459 mSDsluCounter, 7237 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5469 SdHoareTripleChecker+Valid, 7921 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:29,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5469 Valid, 7921 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-01 23:09:29,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states.
[2024-12-01 23:09:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 2836.
[2024-12-01 23:09:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2748 states have (on average 1.4148471615720524) internal successors, (3888), 2767 states have internal predecessors, (3888), 56 states have call successors, (56), 23 states have call predecessors, (56), 18 states have return successors, (79), 45 states have call predecessors, (79), 56 states have call successors, (79)
[2024-12-01 23:09:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 4023 transitions.
[2024-12-01 23:09:29,645 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 4023 transitions. Word has length 85
[2024-12-01 23:09:29,646 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:29,646 INFO L471 AbstractCegarLoop]: Abstraction has 2836 states and 4023 transitions.
[2024-12-01 23:09:29,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 13.411764705882353) internal successors, (228), 15 states have internal predecessors, (228), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6)
[2024-12-01 23:09:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 4023 transitions.
[2024-12-01 23:09:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2024-12-01 23:09:29,647 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:29,647 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:29,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-01 23:09:29,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-01 23:09:29,847 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:29,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1558007445, now seen corresponding path program 1 times
[2024-12-01 23:09:29,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:29,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302538172]
[2024-12-01 23:09:29,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:29,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:29,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302538172]
[2024-12-01 23:09:29,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302538172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:29,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:29,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:09:29,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708658139]
[2024-12-01 23:09:29,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:29,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:09:29,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:29,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:09:29,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:09:29,998 INFO L87 Difference]: Start difference. First operand 2836 states and 4023 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:30,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:30,201 INFO L93 Difference]: Finished difference Result 5728 states and 8145 transitions.
[2024-12-01 23:09:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:09:30,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83
[2024-12-01 23:09:30,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:30,216 INFO L225 Difference]: With dead ends: 5728
[2024-12-01 23:09:30,216 INFO L226 Difference]: Without dead ends: 2902
[2024-12-01 23:09:30,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:09:30,222 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 376 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:30,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1400 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:30,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states.
[2024-12-01 23:09:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2891.
[2024-12-01 23:09:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2810 states have (on average 1.4213523131672599) internal successors, (3994), 2828 states have internal predecessors, (3994), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72)
[2024-12-01 23:09:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 4116 transitions.
[2024-12-01 23:09:30,338 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 4116 transitions. Word has length 83
[2024-12-01 23:09:30,339 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:30,339 INFO L471 AbstractCegarLoop]: Abstraction has 2891 states and 4116 transitions.
[2024-12-01 23:09:30,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:09:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 4116 transitions.
[2024-12-01 23:09:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-12-01 23:09:30,340 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:30,340 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:30,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-01 23:09:30,341 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:30,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:30,341 INFO L85 PathProgramCache]: Analyzing trace with hash 17408468, now seen corresponding path program 1 times
[2024-12-01 23:09:30,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:30,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684071327]
[2024-12-01 23:09:30,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:30,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:09:30,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:30,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684071327]
[2024-12-01 23:09:30,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684071327] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:30,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068939660]
[2024-12-01 23:09:30,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:30,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:30,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:30,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-01 23:09:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:31,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:31,082 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:31,257 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:09:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:09:31,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068939660] provided 1 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:31,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:09:31,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 4] total 12
[2024-12-01 23:09:31,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203804507]
[2024-12-01 23:09:31,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:31,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:09:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:31,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:09:31,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156
[2024-12-01 23:09:31,520 INFO L87 Difference]: Start difference. First operand 2891 states and 4116 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 23:09:31,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:31,586 INFO L93 Difference]: Finished difference Result 2891 states and 4116 transitions.
[2024-12-01 23:09:31,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:09:31,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 94
[2024-12-01 23:09:31,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:31,598 INFO L225 Difference]: With dead ends: 2891
[2024-12-01 23:09:31,598 INFO L226 Difference]: Without dead ends: 2890
[2024-12-01 23:09:31,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156
[2024-12-01 23:09:31,600 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:31,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 616 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:09:31,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states.
[2024-12-01 23:09:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 2890.
[2024-12-01 23:09:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2890 states, 2810 states have (on average 1.4195729537366548) internal successors, (3989), 2827 states have internal predecessors, (3989), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72)
[2024-12-01 23:09:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2890 states and 4111 transitions.
[2024-12-01 23:09:31,719 INFO L78 Accepts]: Start accepts. Automaton has 2890 states and 4111 transitions. Word has length 94
[2024-12-01 23:09:31,720 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:31,720 INFO L471 AbstractCegarLoop]: Abstraction has 2890 states and 4111 transitions.
[2024-12-01 23:09:31,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 23:09:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 4111 transitions.
[2024-12-01 23:09:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-12-01 23:09:31,721 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:31,722 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:31,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-01 23:09:31,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:31,922 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:31,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash 539662577, now seen corresponding path program 1 times
[2024-12-01 23:09:31,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:31,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937237185]
[2024-12-01 23:09:31,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:31,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:09:32,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:32,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937237185]
[2024-12-01 23:09:32,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937237185] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:32,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484994041]
[2024-12-01 23:09:32,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:32,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:32,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:32,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:32,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-01 23:09:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:32,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:32,624 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:32,822 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:09:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:09:33,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484994041] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:09:33,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:09:33,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 12
[2024-12-01 23:09:33,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867410255]
[2024-12-01 23:09:33,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:09:33,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-01 23:09:33,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:33,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-01 23:09:33,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-12-01 23:09:33,054 INFO L87 Difference]: Start difference. First operand 2890 states and 4111 transitions. Second operand has 13 states, 12 states have (on average 20.0) internal successors, (240), 13 states have internal predecessors, (240), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9)
[2024-12-01 23:09:33,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:33,768 INFO L93 Difference]: Finished difference Result 5541 states and 7859 transitions.
[2024-12-01 23:09:33,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-01 23:09:33,769 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 20.0) internal successors, (240), 13 states have internal predecessors, (240), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 95
[2024-12-01 23:09:33,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:33,790 INFO L225 Difference]: With dead ends: 5541
[2024-12-01 23:09:33,790 INFO L226 Difference]: Without dead ends: 5540
[2024-12-01 23:09:33,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=268, Unknown=0, NotChecked=0, Total=420
[2024-12-01 23:09:33,794 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 3049 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 3640 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:33,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 3640 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-01 23:09:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5540 states.
[2024-12-01 23:09:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5540 to 5154.
[2024-12-01 23:09:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5154 states, 4998 states have (on average 1.4155662264905962) internal successors, (7075), 5018 states have internal predecessors, (7075), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137)
[2024-12-01 23:09:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 5154 states and 7311 transitions.
[2024-12-01 23:09:33,987 INFO L78 Accepts]: Start accepts. Automaton has 5154 states and 7311 transitions. Word has length 95
[2024-12-01 23:09:33,988 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:33,988 INFO L471 AbstractCegarLoop]: Abstraction has 5154 states and 7311 transitions.
[2024-12-01 23:09:33,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 20.0) internal successors, (240), 13 states have internal predecessors, (240), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9)
[2024-12-01 23:09:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5154 states and 7311 transitions.
[2024-12-01 23:09:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-12-01 23:09:33,990 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:33,990 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:34,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-01 23:09:34,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-12-01 23:09:34,191 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:34,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash 914793232, now seen corresponding path program 1 times
[2024-12-01 23:09:34,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:34,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720663315]
[2024-12-01 23:09:34,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:34,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 23:09:34,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:34,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720663315]
[2024-12-01 23:09:34,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720663315] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:34,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:34,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:09:34,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062434162]
[2024-12-01 23:09:34,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:34,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:09:34,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:34,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:09:34,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:09:34,564 INFO L87 Difference]: Start difference. First operand 5154 states and 7311 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-01 23:09:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:34,754 INFO L93 Difference]: Finished difference Result 6706 states and 9536 transitions.
[2024-12-01 23:09:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:09:34,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 121
[2024-12-01 23:09:34,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:34,776 INFO L225 Difference]: With dead ends: 6706
[2024-12-01 23:09:34,776 INFO L226 Difference]: Without dead ends: 6704
[2024-12-01 23:09:34,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:09:34,779 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 474 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1778 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:34,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1778 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6704 states.
[2024-12-01 23:09:34,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 5326.
[2024-12-01 23:09:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5326 states, 5161 states have (on average 1.4099980623910096) internal successors, (7277), 5182 states have internal predecessors, (7277), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149)
[2024-12-01 23:09:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5326 states to 5326 states and 7534 transitions.
[2024-12-01 23:09:34,979 INFO L78 Accepts]: Start accepts. Automaton has 5326 states and 7534 transitions. Word has length 121
[2024-12-01 23:09:34,979 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:34,979 INFO L471 AbstractCegarLoop]: Abstraction has 5326 states and 7534 transitions.
[2024-12-01 23:09:34,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-01 23:09:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5326 states and 7534 transitions.
[2024-12-01 23:09:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-12-01 23:09:34,983 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:34,983 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:34,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-01 23:09:34,983 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:34,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:34,984 INFO L85 PathProgramCache]: Analyzing trace with hash 461929138, now seen corresponding path program 1 times
[2024-12-01 23:09:34,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:34,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252768537]
[2024-12-01 23:09:34,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:09:35,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:35,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252768537]
[2024-12-01 23:09:35,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252768537] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:35,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714517935]
[2024-12-01 23:09:35,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:35,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:35,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:35,405 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:35,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-01 23:09:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:35,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:35,862 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:09:36,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:36,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714517935] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:36,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:09:36,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10
[2024-12-01 23:09:36,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173026055]
[2024-12-01 23:09:36,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:36,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 23:09:36,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:36,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 23:09:36,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:09:36,006 INFO L87 Difference]: Start difference. First operand 5326 states and 7534 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-01 23:09:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:36,310 INFO L93 Difference]: Finished difference Result 9974 states and 14148 transitions.
[2024-12-01 23:09:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-01 23:09:36,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 129
[2024-12-01 23:09:36,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:36,328 INFO L225 Difference]: With dead ends: 9974
[2024-12-01 23:09:36,328 INFO L226 Difference]: Without dead ends: 5068
[2024-12-01 23:09:36,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-12-01 23:09:36,337 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 162 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:36,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 3500 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5068 states.
[2024-12-01 23:09:36,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5068 to 5068.
[2024-12-01 23:09:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5068 states, 4920 states have (on average 1.4136178861788617) internal successors, (6955), 4939 states have internal predecessors, (6955), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132)
[2024-12-01 23:09:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5068 states to 5068 states and 7184 transitions.
[2024-12-01 23:09:36,497 INFO L78 Accepts]: Start accepts. Automaton has 5068 states and 7184 transitions. Word has length 129
[2024-12-01 23:09:36,497 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:36,497 INFO L471 AbstractCegarLoop]: Abstraction has 5068 states and 7184 transitions.
[2024-12-01 23:09:36,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-01 23:09:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 5068 states and 7184 transitions.
[2024-12-01 23:09:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-12-01 23:09:36,499 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:36,500 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:36,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-01 23:09:36,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-12-01 23:09:36,700 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:36,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1206407640, now seen corresponding path program 1 times
[2024-12-01 23:09:36,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:36,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969014096]
[2024-12-01 23:09:36,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:36,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-01 23:09:37,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:37,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969014096]
[2024-12-01 23:09:37,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969014096] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:37,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931728785]
[2024-12-01 23:09:37,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:37,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:37,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:37,299 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:37,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-01 23:09:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:37,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:37,827 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 23:09:37,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:37,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931728785] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:37,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:09:37,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11
[2024-12-01 23:09:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342867167]
[2024-12-01 23:09:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:37,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-01 23:09:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:37,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-01 23:09:37,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-01 23:09:37,955 INFO L87 Difference]: Start difference. First operand 5068 states and 7184 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:09:38,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:38,552 INFO L93 Difference]: Finished difference Result 10728 states and 15146 transitions.
[2024-12-01 23:09:38,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-01 23:09:38,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 134
[2024-12-01 23:09:38,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:38,572 INFO L225 Difference]: With dead ends: 10728
[2024-12-01 23:09:38,572 INFO L226 Difference]: Without dead ends: 5757
[2024-12-01 23:09:38,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-01 23:09:38,581 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 31 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3136 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:38,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3136 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-01 23:09:38,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states.
[2024-12-01 23:09:38,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 5588.
[2024-12-01 23:09:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5588 states, 5440 states have (on average 1.3931985294117648) internal successors, (7579), 5459 states have internal predecessors, (7579), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132)
[2024-12-01 23:09:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5588 states to 5588 states and 7808 transitions.
[2024-12-01 23:09:38,765 INFO L78 Accepts]: Start accepts. Automaton has 5588 states and 7808 transitions. Word has length 134
[2024-12-01 23:09:38,765 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:38,765 INFO L471 AbstractCegarLoop]: Abstraction has 5588 states and 7808 transitions.
[2024-12-01 23:09:38,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:09:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 5588 states and 7808 transitions.
[2024-12-01 23:09:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2024-12-01 23:09:38,767 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:38,767 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:38,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-01 23:09:38,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-12-01 23:09:38,968 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:38,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1241348577, now seen corresponding path program 1 times
[2024-12-01 23:09:38,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:38,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815721109]
[2024-12-01 23:09:38,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:38,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 23:09:39,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:39,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815721109]
[2024-12-01 23:09:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815721109] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:39,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:39,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:09:39,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336053919]
[2024-12-01 23:09:39,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:39,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:09:39,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:39,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:09:39,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:09:39,412 INFO L87 Difference]: Start difference. First operand 5588 states and 7808 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:09:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:40,241 INFO L93 Difference]: Finished difference Result 11064 states and 15472 transitions.
[2024-12-01 23:09:40,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-01 23:09:40,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 135
[2024-12-01 23:09:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:40,261 INFO L225 Difference]: With dead ends: 11064
[2024-12-01 23:09:40,261 INFO L226 Difference]: Without dead ends: 5614
[2024-12-01 23:09:40,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:09:40,268 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 14 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:40,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2475 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 23:09:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5614 states.
[2024-12-01 23:09:40,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5614 to 5549.
[2024-12-01 23:09:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5549 states, 5401 states have (on average 1.39122384743566) internal successors, (7514), 5420 states have internal predecessors, (7514), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132)
[2024-12-01 23:09:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5549 states to 5549 states and 7743 transitions.
[2024-12-01 23:09:40,421 INFO L78 Accepts]: Start accepts. Automaton has 5549 states and 7743 transitions. Word has length 135
[2024-12-01 23:09:40,421 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:40,422 INFO L471 AbstractCegarLoop]: Abstraction has 5549 states and 7743 transitions.
[2024-12-01 23:09:40,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:09:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5549 states and 7743 transitions.
[2024-12-01 23:09:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2024-12-01 23:09:40,423 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:40,423 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:40,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-01 23:09:40,423 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:40,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2107797347, now seen corresponding path program 1 times
[2024-12-01 23:09:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:40,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351282277]
[2024-12-01 23:09:40,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 23:09:40,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:40,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351282277]
[2024-12-01 23:09:40,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351282277] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:40,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:40,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:09:40,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80331395]
[2024-12-01 23:09:40,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:40,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:09:40,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:40,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:09:40,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:09:40,734 INFO L87 Difference]: Start difference. First operand 5549 states and 7743 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:09:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:41,224 INFO L93 Difference]: Finished difference Result 11052 states and 15436 transitions.
[2024-12-01 23:09:41,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-01 23:09:41,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 136
[2024-12-01 23:09:41,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:41,244 INFO L225 Difference]: With dead ends: 11052
[2024-12-01 23:09:41,244 INFO L226 Difference]: Without dead ends: 5640
[2024-12-01 23:09:41,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:09:41,252 INFO L435 NwaCegarLoop]: 609 mSDtfsCounter, 9 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2057 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:41,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2057 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-01 23:09:41,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5640 states.
[2024-12-01 23:09:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5640 to 5601.
[2024-12-01 23:09:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5601 states, 5453 states have (on average 1.3898771318540253) internal successors, (7579), 5472 states have internal predecessors, (7579), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132)
[2024-12-01 23:09:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5601 states to 5601 states and 7808 transitions.
[2024-12-01 23:09:41,419 INFO L78 Accepts]: Start accepts. Automaton has 5601 states and 7808 transitions. Word has length 136
[2024-12-01 23:09:41,419 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:41,419 INFO L471 AbstractCegarLoop]: Abstraction has 5601 states and 7808 transitions.
[2024-12-01 23:09:41,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:09:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5601 states and 7808 transitions.
[2024-12-01 23:09:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-12-01 23:09:41,421 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:41,422 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:41,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-01 23:09:41,422 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:41,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:41,422 INFO L85 PathProgramCache]: Analyzing trace with hash 197178600, now seen corresponding path program 1 times
[2024-12-01 23:09:41,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:41,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560059391]
[2024-12-01 23:09:41,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:41,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-01 23:09:41,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:41,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560059391]
[2024-12-01 23:09:41,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560059391] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:41,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952968349]
[2024-12-01 23:09:41,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:41,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:41,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:41,904 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:41,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-01 23:09:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:42,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:42,493 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:42,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:09:42,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:09:42,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2024-12-01 23:09:43,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-01 23:09:43,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55
[2024-12-01 23:09:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 23:09:43,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:43,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952968349] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:43,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:09:43,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14
[2024-12-01 23:09:43,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005311789]
[2024-12-01 23:09:43,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:43,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-01 23:09:43,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:43,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-01 23:09:43,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182
[2024-12-01 23:09:43,665 INFO L87 Difference]: Start difference. First operand 5601 states and 7808 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 11 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:09:45,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:45,348 INFO L93 Difference]: Finished difference Result 12453 states and 17438 transitions.
[2024-12-01 23:09:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-01 23:09:45,349 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 11 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 137
[2024-12-01 23:09:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:45,366 INFO L225 Difference]: With dead ends: 12453
[2024-12-01 23:09:45,366 INFO L226 Difference]: Without dead ends: 6990
[2024-12-01 23:09:45,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462
[2024-12-01 23:09:45,375 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 837 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 3432 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:45,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 3432 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-01 23:09:45,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6990 states.
[2024-12-01 23:09:45,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6990 to 5606.
[2024-12-01 23:09:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5606 states, 5458 states have (on average 1.3895199706852326) internal successors, (7584), 5477 states have internal predecessors, (7584), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132)
[2024-12-01 23:09:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 7813 transitions.
[2024-12-01 23:09:45,519 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 7813 transitions. Word has length 137
[2024-12-01 23:09:45,519 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:45,519 INFO L471 AbstractCegarLoop]: Abstraction has 5606 states and 7813 transitions.
[2024-12-01 23:09:45,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 11 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:09:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 7813 transitions.
[2024-12-01 23:09:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-12-01 23:09:45,520 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:45,520 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:45,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-01 23:09:45,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:45,721 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:45,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1556139312, now seen corresponding path program 1 times
[2024-12-01 23:09:45,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:45,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480090120]
[2024-12-01 23:09:45,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:45,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 23:09:46,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:46,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480090120]
[2024-12-01 23:09:46,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480090120] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:46,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:09:46,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-01 23:09:46,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693458791]
[2024-12-01 23:09:46,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:46,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 23:09:46,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:46,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 23:09:46,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:09:46,073 INFO L87 Difference]: Start difference. First operand 5606 states and 7813 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:09:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:46,578 INFO L93 Difference]: Finished difference Result 11215 states and 15659 transitions.
[2024-12-01 23:09:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-01 23:09:46,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 137
[2024-12-01 23:09:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:46,589 INFO L225 Difference]: With dead ends: 11215
[2024-12-01 23:09:46,589 INFO L226 Difference]: Without dead ends: 5762
[2024-12-01 23:09:46,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:09:46,595 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 13 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2971 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:46,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2971 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-01 23:09:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5762 states.
[2024-12-01 23:09:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5762 to 5710.
[2024-12-01 23:09:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5710 states, 5562 states have (on average 1.3892484717727436) internal successors, (7727), 5581 states have internal predecessors, (7727), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132)
[2024-12-01 23:09:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5710 states to 5710 states and 7956 transitions.
[2024-12-01 23:09:46,784 INFO L78 Accepts]: Start accepts. Automaton has 5710 states and 7956 transitions. Word has length 137
[2024-12-01 23:09:46,784 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:46,784 INFO L471 AbstractCegarLoop]: Abstraction has 5710 states and 7956 transitions.
[2024-12-01 23:09:46,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:09:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5710 states and 7956 transitions.
[2024-12-01 23:09:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-12-01 23:09:46,786 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:46,786 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:46,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-01 23:09:46,787 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:46,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:46,788 INFO L85 PathProgramCache]: Analyzing trace with hash 587948564, now seen corresponding path program 1 times
[2024-12-01 23:09:46,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:46,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856594669]
[2024-12-01 23:09:46,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:46,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-01 23:09:47,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:47,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856594669]
[2024-12-01 23:09:47,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856594669] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:47,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863917438]
[2024-12-01 23:09:47,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:47,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:47,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:47,220 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:47,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-01 23:09:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:47,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:47,608 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:09:47,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:47,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863917438] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:47,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:09:47,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 11
[2024-12-01 23:09:47,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706127018]
[2024-12-01 23:09:47,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:47,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-01 23:09:47,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:47,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-01 23:09:47,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2024-12-01 23:09:47,701 INFO L87 Difference]: Start difference. First operand 5710 states and 7956 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-12-01 23:09:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:47,864 INFO L93 Difference]: Finished difference Result 8972 states and 12501 transitions.
[2024-12-01 23:09:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-01 23:09:47,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 137
[2024-12-01 23:09:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:47,873 INFO L225 Difference]: With dead ends: 8972
[2024-12-01 23:09:47,874 INFO L226 Difference]: Without dead ends: 3451
[2024-12-01 23:09:47,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156
[2024-12-01 23:09:47,878 INFO L435 NwaCegarLoop]: 610 mSDtfsCounter, 13 mSDsluCounter, 4238 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4848 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:47,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4848 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:09:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states.
[2024-12-01 23:09:47,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 3449.
[2024-12-01 23:09:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3449 states, 3347 states have (on average 1.389005079175381) internal successors, (4649), 3363 states have internal predecessors, (4649), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65)
[2024-12-01 23:09:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 4768 transitions.
[2024-12-01 23:09:47,951 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 4768 transitions. Word has length 137
[2024-12-01 23:09:47,952 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:47,952 INFO L471 AbstractCegarLoop]: Abstraction has 3449 states and 4768 transitions.
[2024-12-01 23:09:47,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-12-01 23:09:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 4768 transitions.
[2024-12-01 23:09:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-01 23:09:47,952 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:47,953 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:47,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-01 23:09:48,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:48,153 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:48,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:48,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1059836658, now seen corresponding path program 1 times
[2024-12-01 23:09:48,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:48,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064733471]
[2024-12-01 23:09:48,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:48,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-01 23:09:48,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:48,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064733471]
[2024-12-01 23:09:48,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064733471] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:48,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620787850]
[2024-12-01 23:09:48,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:48,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:48,535 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:48,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-01 23:09:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:48,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:48,934 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 23:09:49,025 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:09:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-01 23:09:49,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620787850] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:09:49,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:09:49,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6] total 17
[2024-12-01 23:09:49,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376368839]
[2024-12-01 23:09:49,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:09:49,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-12-01 23:09:49,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:49,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-12-01 23:09:49,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272
[2024-12-01 23:09:49,179 INFO L87 Difference]: Start difference. First operand 3449 states and 4768 transitions. Second operand has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-01 23:09:49,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:49,541 INFO L93 Difference]: Finished difference Result 6762 states and 9370 transitions.
[2024-12-01 23:09:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-12-01 23:09:49,541 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 139
[2024-12-01 23:09:49,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:49,550 INFO L225 Difference]: With dead ends: 6762
[2024-12-01 23:09:49,550 INFO L226 Difference]: Without dead ends: 3511
[2024-12-01 23:09:49,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600
[2024-12-01 23:09:49,554 INFO L435 NwaCegarLoop]: 610 mSDtfsCounter, 22 mSDsluCounter, 6069 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6679 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:49,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6679 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:09:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states.
[2024-12-01 23:09:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3489.
[2024-12-01 23:09:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 3386 states have (on average 1.3892498523331365) internal successors, (4704), 3399 states have internal predecessors, (4704), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61)
[2024-12-01 23:09:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4819 transitions.
[2024-12-01 23:09:49,617 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4819 transitions. Word has length 139
[2024-12-01 23:09:49,617 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:49,617 INFO L471 AbstractCegarLoop]: Abstraction has 3489 states and 4819 transitions.
[2024-12-01 23:09:49,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-01 23:09:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4819 transitions.
[2024-12-01 23:09:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2024-12-01 23:09:49,618 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:49,618 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:49,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-01 23:09:49,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:49,819 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:49,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:49,819 INFO L85 PathProgramCache]: Analyzing trace with hash 286305460, now seen corresponding path program 2 times
[2024-12-01 23:09:49,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:49,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9397490]
[2024-12-01 23:09:49,819 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:09:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:50,112 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 23:09:50,113 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:09:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-01 23:09:50,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:50,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9397490]
[2024-12-01 23:09:50,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9397490] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:50,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066891284]
[2024-12-01 23:09:50,683 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:09:50,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:50,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:50,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:50,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-01 23:09:51,024 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-01 23:09:51,024 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:09:51,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:51,028 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:51,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-01 23:09:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-12-01 23:09:51,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:09:51,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066891284] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:09:51,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:09:51,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10
[2024-12-01 23:09:51,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139796379]
[2024-12-01 23:09:51,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:09:51,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:09:51,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:51,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:09:51,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:09:51,045 INFO L87 Difference]: Start difference. First operand 3489 states and 4819 transitions. Second operand has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:09:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:51,090 INFO L93 Difference]: Finished difference Result 3489 states and 4819 transitions.
[2024-12-01 23:09:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:09:51,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 143
[2024-12-01 23:09:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:51,096 INFO L225 Difference]: With dead ends: 3489
[2024-12-01 23:09:51,096 INFO L226 Difference]: Without dead ends: 3488
[2024-12-01 23:09:51,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:09:51,097 INFO L435 NwaCegarLoop]: 615 mSDtfsCounter, 1 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:51,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1228 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:09:51,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states.
[2024-12-01 23:09:51,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 3488.
[2024-12-01 23:09:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3488 states, 3386 states have (on average 1.3874778499704665) internal successors, (4698), 3398 states have internal predecessors, (4698), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61)
[2024-12-01 23:09:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 3488 states and 4813 transitions.
[2024-12-01 23:09:51,155 INFO L78 Accepts]: Start accepts. Automaton has 3488 states and 4813 transitions. Word has length 143
[2024-12-01 23:09:51,155 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:51,155 INFO L471 AbstractCegarLoop]: Abstraction has 3488 states and 4813 transitions.
[2024-12-01 23:09:51,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:09:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3488 states and 4813 transitions.
[2024-12-01 23:09:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2024-12-01 23:09:51,156 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:51,156 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:51,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-01 23:09:51,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:51,356 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:51,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:51,357 INFO L85 PathProgramCache]: Analyzing trace with hash 285534773, now seen corresponding path program 1 times
[2024-12-01 23:09:51,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:51,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994422327]
[2024-12-01 23:09:51,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:51,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-01 23:09:51,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:51,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994422327]
[2024-12-01 23:09:51,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994422327] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:51,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124272525]
[2024-12-01 23:09:51,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:09:51,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:51,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:51,926 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:51,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-01 23:09:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:09:52,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 29 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:52,322 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 36 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-01 23:09:52,506 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:09:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-01 23:09:52,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124272525] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:09:52,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:09:52,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 9] total 27
[2024-12-01 23:09:52,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030687381]
[2024-12-01 23:09:52,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:09:52,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-12-01 23:09:52,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:09:52,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-12-01 23:09:52,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702
[2024-12-01 23:09:52,794 INFO L87 Difference]: Start difference. First operand 3488 states and 4813 transitions. Second operand has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-01 23:09:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:09:53,735 INFO L93 Difference]: Finished difference Result 6418 states and 8862 transitions.
[2024-12-01 23:09:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-12-01 23:09:53,735 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 144
[2024-12-01 23:09:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:09:53,742 INFO L225 Difference]: With dead ends: 6418
[2024-12-01 23:09:53,743 INFO L226 Difference]: Without dead ends: 2955
[2024-12-01 23:09:53,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=380, Invalid=1512, Unknown=0, NotChecked=0, Total=1892
[2024-12-01 23:09:53,746 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 53 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 6189 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:09:53,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 6189 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 23:09:53,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states.
[2024-12-01 23:09:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2924.
[2024-12-01 23:09:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2822 states have (on average 1.3717221828490431) internal successors, (3871), 2834 states have internal predecessors, (3871), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61)
[2024-12-01 23:09:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 3986 transitions.
[2024-12-01 23:09:53,807 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 3986 transitions. Word has length 144
[2024-12-01 23:09:53,807 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:09:53,807 INFO L471 AbstractCegarLoop]: Abstraction has 2924 states and 3986 transitions.
[2024-12-01 23:09:53,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-01 23:09:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3986 transitions.
[2024-12-01 23:09:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2024-12-01 23:09:53,808 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:09:53,808 INFO L218 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:09:53,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-01 23:09:54,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:54,008 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:09:54,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:09:54,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1358168914, now seen corresponding path program 2 times
[2024-12-01 23:09:54,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:09:54,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478025098]
[2024-12-01 23:09:54,009 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:09:54,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:09:54,158 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 23:09:54,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:09:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-12-01 23:09:54,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:09:54,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478025098]
[2024-12-01 23:09:54,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478025098] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:09:54,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052453353]
[2024-12-01 23:09:54,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:09:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:09:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:09:54,899 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:09:54,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-01 23:09:55,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 23:09:55,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:09:55,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-12-01 23:09:55,370 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:09:55,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:09:55,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11
[2024-12-01 23:09:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked.
[2024-12-01 23:09:55,827 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:10:01,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052453353] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:01,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:10:01,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7] total 21
[2024-12-01 23:10:01,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176713208]
[2024-12-01 23:10:01,758 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:10:01,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-12-01 23:10:01,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:01,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-12-01 23:10:01,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702
[2024-12-01 23:10:01,760 INFO L87 Difference]: Start difference. First operand 2924 states and 3986 transitions. Second operand has 21 states, 21 states have (on average 11.952380952380953) internal successors, (251), 21 states have internal predecessors, (251), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-12-01 23:10:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:03,483 INFO L93 Difference]: Finished difference Result 7250 states and 9986 transitions.
[2024-12-01 23:10:03,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2024-12-01 23:10:03,484 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 11.952380952380953) internal successors, (251), 21 states have internal predecessors, (251), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 153
[2024-12-01 23:10:03,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:03,498 INFO L225 Difference]: With dead ends: 7250
[2024-12-01 23:10:03,498 INFO L226 Difference]: Without dead ends: 4446
[2024-12-01 23:10:03,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=165, Invalid=1475, Unknown=0, NotChecked=0, Total=1640
[2024-12-01 23:10:03,504 INFO L435 NwaCegarLoop]: 711 mSDtfsCounter, 599 mSDsluCounter, 7994 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 8705 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:03,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 8705 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-01 23:10:03,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states.
[2024-12-01 23:10:03,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 3515.
[2024-12-01 23:10:03,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3402 states have (on average 1.3835978835978835) internal successors, (4707), 3417 states have internal predecessors, (4707), 60 states have call successors, (60), 47 states have call predecessors, (60), 41 states have return successors, (67), 50 states have call predecessors, (67), 60 states have call successors, (67)
[2024-12-01 23:10:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4834 transitions.
[2024-12-01 23:10:03,685 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4834 transitions. Word has length 153
[2024-12-01 23:10:03,685 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:03,685 INFO L471 AbstractCegarLoop]: Abstraction has 3515 states and 4834 transitions.
[2024-12-01 23:10:03,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.952380952380953) internal successors, (251), 21 states have internal predecessors, (251), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-12-01 23:10:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4834 transitions.
[2024-12-01 23:10:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-12-01 23:10:03,687 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:03,687 INFO L218 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:03,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-12-01 23:10:03,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:03,887 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:03,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:03,888 INFO L85 PathProgramCache]: Analyzing trace with hash 969588794, now seen corresponding path program 1 times
[2024-12-01 23:10:03,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:03,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156543498]
[2024-12-01 23:10:03,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:03,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-12-01 23:10:04,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:04,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156543498]
[2024-12-01 23:10:04,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156543498] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:04,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131783221]
[2024-12-01 23:10:04,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:04,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:04,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:04,519 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:04,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-12-01 23:10:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:05,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:05,151 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 194 proven. 6 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked.
[2024-12-01 23:10:05,270 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:10:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked.
[2024-12-01 23:10:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131783221] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:10:05,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:10:05,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 10] total 18
[2024-12-01 23:10:05,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99243635]
[2024-12-01 23:10:05,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:10:05,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-12-01 23:10:05,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:05,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-12-01 23:10:05,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342
[2024-12-01 23:10:05,508 INFO L87 Difference]: Start difference. First operand 3515 states and 4834 transitions. Second operand has 19 states, 18 states have (on average 10.555555555555555) internal successors, (190), 15 states have internal predecessors, (190), 7 states have call successors, (21), 9 states have call predecessors, (21), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18)
[2024-12-01 23:10:06,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:06,021 INFO L93 Difference]: Finished difference Result 9091 states and 12858 transitions.
[2024-12-01 23:10:06,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2024-12-01 23:10:06,022 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 10.555555555555555) internal successors, (190), 15 states have internal predecessors, (190), 7 states have call successors, (21), 9 states have call predecessors, (21), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 172
[2024-12-01 23:10:06,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:06,031 INFO L225 Difference]: With dead ends: 9091
[2024-12-01 23:10:06,031 INFO L226 Difference]: Without dead ends: 7150
[2024-12-01 23:10:06,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 341 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=299, Invalid=693, Unknown=0, NotChecked=0, Total=992
[2024-12-01 23:10:06,034 INFO L435 NwaCegarLoop]: 1094 mSDtfsCounter, 3939 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3941 SdHoareTripleChecker+Valid, 7884 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:06,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3941 Valid, 7884 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 23:10:06,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7150 states.
[2024-12-01 23:10:06,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7150 to 4554.
[2024-12-01 23:10:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4554 states, 4457 states have (on average 1.4119362800089748) internal successors, (6293), 4471 states have internal predecessors, (6293), 50 states have call successors, (50), 41 states have call predecessors, (50), 36 states have return successors, (51), 41 states have call predecessors, (51), 50 states have call successors, (51)
[2024-12-01 23:10:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4554 states to 4554 states and 6394 transitions.
[2024-12-01 23:10:06,158 INFO L78 Accepts]: Start accepts. Automaton has 4554 states and 6394 transitions. Word has length 172
[2024-12-01 23:10:06,158 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:06,158 INFO L471 AbstractCegarLoop]: Abstraction has 4554 states and 6394 transitions.
[2024-12-01 23:10:06,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 10.555555555555555) internal successors, (190), 15 states have internal predecessors, (190), 7 states have call successors, (21), 9 states have call predecessors, (21), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18)
[2024-12-01 23:10:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4554 states and 6394 transitions.
[2024-12-01 23:10:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222
[2024-12-01 23:10:06,160 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:06,160 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:06,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-12-01 23:10:06,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:06,360 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:06,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:06,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2003034129, now seen corresponding path program 1 times
[2024-12-01 23:10:06,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:06,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458510370]
[2024-12-01 23:10:06,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:06,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:06,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458510370]
[2024-12-01 23:10:06,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458510370] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:06,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:10:06,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:10:06,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712849131]
[2024-12-01 23:10:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:06,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:10:06,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:06,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:10:06,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:10:06,517 INFO L87 Difference]: Start difference. First operand 4554 states and 6394 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:06,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:06,592 INFO L93 Difference]: Finished difference Result 5718 states and 8055 transitions.
[2024-12-01 23:10:06,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:10:06,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 221
[2024-12-01 23:10:06,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:06,597 INFO L225 Difference]: With dead ends: 5718
[2024-12-01 23:10:06,597 INFO L226 Difference]: Without dead ends: 2262
[2024-12-01 23:10:06,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:10:06,600 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 19 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:06,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1047 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:10:06,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states.
[2024-12-01 23:10:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2065.
[2024-12-01 23:10:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2065 states, 1984 states have (on average 1.3346774193548387) internal successors, (2648), 1997 states have internal predecessors, (2648), 39 states have call successors, (39), 35 states have call predecessors, (39), 32 states have return successors, (40), 32 states have call predecessors, (40), 39 states have call successors, (40)
[2024-12-01 23:10:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2727 transitions.
[2024-12-01 23:10:06,657 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2727 transitions. Word has length 221
[2024-12-01 23:10:06,657 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:06,657 INFO L471 AbstractCegarLoop]: Abstraction has 2065 states and 2727 transitions.
[2024-12-01 23:10:06,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2727 transitions.
[2024-12-01 23:10:06,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-12-01 23:10:06,671 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:06,672 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:06,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-01 23:10:06,672 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:06,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:06,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2025643355, now seen corresponding path program 1 times
[2024-12-01 23:10:06,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:06,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839995704]
[2024-12-01 23:10:06,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:06,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:06,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:06,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839995704]
[2024-12-01 23:10:06,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839995704] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:06,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:10:06,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:10:06,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517217093]
[2024-12-01 23:10:06,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:06,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:10:06,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:06,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:10:06,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:10:06,924 INFO L87 Difference]: Start difference. First operand 2065 states and 2727 transitions. Second operand has 3 states, 2 states have (on average 90.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:10:06,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:06,994 INFO L93 Difference]: Finished difference Result 2387 states and 3194 transitions.
[2024-12-01 23:10:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:10:06,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 90.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 223
[2024-12-01 23:10:06,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:06,998 INFO L225 Difference]: With dead ends: 2387
[2024-12-01 23:10:06,998 INFO L226 Difference]: Without dead ends: 2385
[2024-12-01 23:10:06,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:10:07,000 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 306 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:07,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 818 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:10:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states.
[2024-12-01 23:10:07,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2355.
[2024-12-01 23:10:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 2275 states have (on average 1.3512087912087911) internal successors, (3074), 2287 states have internal predecessors, (3074), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3151 transitions.
[2024-12-01 23:10:07,063 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3151 transitions. Word has length 223
[2024-12-01 23:10:07,063 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:07,063 INFO L471 AbstractCegarLoop]: Abstraction has 2355 states and 3151 transitions.
[2024-12-01 23:10:07,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 90.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:10:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3151 transitions.
[2024-12-01 23:10:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236
[2024-12-01 23:10:07,065 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:07,065 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:07,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-01 23:10:07,065 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:07,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:07,066 INFO L85 PathProgramCache]: Analyzing trace with hash -328064158, now seen corresponding path program 1 times
[2024-12-01 23:10:07,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:07,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078503429]
[2024-12-01 23:10:07,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:07,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:07,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:07,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078503429]
[2024-12-01 23:10:07,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078503429] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:07,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923609266]
[2024-12-01 23:10:07,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:07,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:07,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:07,290 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:07,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2024-12-01 23:10:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:07,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:07,869 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked.
[2024-12-01 23:10:07,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:10:07,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923609266] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:07,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:10:07,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-12-01 23:10:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966092681]
[2024-12-01 23:10:07,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:07,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:10:07,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:07,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:10:07,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:10:07,882 INFO L87 Difference]: Start difference. First operand 2355 states and 3151 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:07,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:07,985 INFO L93 Difference]: Finished difference Result 3381 states and 4612 transitions.
[2024-12-01 23:10:07,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:10:07,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 235
[2024-12-01 23:10:07,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:07,990 INFO L225 Difference]: With dead ends: 3381
[2024-12-01 23:10:07,990 INFO L226 Difference]: Without dead ends: 2475
[2024-12-01 23:10:07,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:10:07,991 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 8 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:07,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1013 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:10:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states.
[2024-12-01 23:10:08,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2475.
[2024-12-01 23:10:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2395 states have (on average 1.3336116910229645) internal successors, (3194), 2407 states have internal predecessors, (3194), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3271 transitions.
[2024-12-01 23:10:08,056 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3271 transitions. Word has length 235
[2024-12-01 23:10:08,056 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:08,056 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 3271 transitions.
[2024-12-01 23:10:08,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3271 transitions.
[2024-12-01 23:10:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236
[2024-12-01 23:10:08,057 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:08,057 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:08,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2024-12-01 23:10:08,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2024-12-01 23:10:08,258 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:08,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash 444188894, now seen corresponding path program 1 times
[2024-12-01 23:10:08,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120497046]
[2024-12-01 23:10:08,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:08,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120497046]
[2024-12-01 23:10:08,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120497046] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309653777]
[2024-12-01 23:10:08,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:08,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:08,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:08,508 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:08,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2024-12-01 23:10:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:09,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:09,135 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked.
[2024-12-01 23:10:09,156 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:10:09,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309653777] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:09,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:10:09,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6
[2024-12-01 23:10:09,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735360990]
[2024-12-01 23:10:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:09,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:10:09,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:09,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:10:09,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:10:09,158 INFO L87 Difference]: Start difference. First operand 2475 states and 3271 transitions. Second operand has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:09,295 INFO L93 Difference]: Finished difference Result 3363 states and 4507 transitions.
[2024-12-01 23:10:09,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:10:09,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 235
[2024-12-01 23:10:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:09,301 INFO L225 Difference]: With dead ends: 3363
[2024-12-01 23:10:09,302 INFO L226 Difference]: Without dead ends: 2391
[2024-12-01 23:10:09,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:10:09,303 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 106 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:09,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1424 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:10:09,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states.
[2024-12-01 23:10:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2391.
[2024-12-01 23:10:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2391 states, 2311 states have (on average 1.327563825183903) internal successors, (3068), 2323 states have internal predecessors, (3068), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3145 transitions.
[2024-12-01 23:10:09,377 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3145 transitions. Word has length 235
[2024-12-01 23:10:09,377 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:09,377 INFO L471 AbstractCegarLoop]: Abstraction has 2391 states and 3145 transitions.
[2024-12-01 23:10:09,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3145 transitions.
[2024-12-01 23:10:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236
[2024-12-01 23:10:09,378 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:09,379 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:09,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0
[2024-12-01 23:10:09,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:09,579 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:09,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:09,580 INFO L85 PathProgramCache]: Analyzing trace with hash 9981292, now seen corresponding path program 1 times
[2024-12-01 23:10:09,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:09,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026814600]
[2024-12-01 23:10:09,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:09,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:09,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026814600]
[2024-12-01 23:10:09,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026814600] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:09,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938012476]
[2024-12-01 23:10:09,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:09,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:09,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:09,800 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:09,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2024-12-01 23:10:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:10,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:10,451 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:10,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:10:10,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938012476] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:10,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:10:10,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-12-01 23:10:10,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429976377]
[2024-12-01 23:10:10,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:10,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:10:10,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:10,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:10:10,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:10:10,648 INFO L87 Difference]: Start difference. First operand 2391 states and 3145 transitions. Second operand has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:10,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:10,760 INFO L93 Difference]: Finished difference Result 2392 states and 3145 transitions.
[2024-12-01 23:10:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:10:10,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 235
[2024-12-01 23:10:10,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:10,764 INFO L225 Difference]: With dead ends: 2392
[2024-12-01 23:10:10,765 INFO L226 Difference]: Without dead ends: 2391
[2024-12-01 23:10:10,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:10:10,766 INFO L435 NwaCegarLoop]: 741 mSDtfsCounter, 545 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:10,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1188 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:10:10,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states.
[2024-12-01 23:10:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2390.
[2024-12-01 23:10:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2390 states, 2311 states have (on average 1.3262656858502813) internal successors, (3065), 2322 states have internal predecessors, (3065), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 3142 transitions.
[2024-12-01 23:10:10,845 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 3142 transitions. Word has length 235
[2024-12-01 23:10:10,845 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:10,845 INFO L471 AbstractCegarLoop]: Abstraction has 2390 states and 3142 transitions.
[2024-12-01 23:10:10,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 3142 transitions.
[2024-12-01 23:10:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-12-01 23:10:10,846 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:10,846 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:10,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0
[2024-12-01 23:10:11,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:11,047 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:11,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:11,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1498324379, now seen corresponding path program 1 times
[2024-12-01 23:10:11,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:11,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566767744]
[2024-12-01 23:10:11,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:11,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked.
[2024-12-01 23:10:11,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:11,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566767744]
[2024-12-01 23:10:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566767744] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:11,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393804933]
[2024-12-01 23:10:11,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:11,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:11,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:11,866 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:11,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2024-12-01 23:10:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:12,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:12,574 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:12,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-01 23:10:12,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9
[2024-12-01 23:10:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked.
[2024-12-01 23:10:12,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:10:12,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393804933] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:12,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:10:12,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9
[2024-12-01 23:10:12,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708076590]
[2024-12-01 23:10:12,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:12,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:10:12,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:12,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:10:12,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:10:12,696 INFO L87 Difference]: Start difference. First operand 2390 states and 3142 transitions. Second operand has 5 states, 4 states have (on average 48.5) internal successors, (194), 5 states have internal predecessors, (194), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:12,854 INFO L93 Difference]: Finished difference Result 2560 states and 3364 transitions.
[2024-12-01 23:10:12,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:10:12,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 48.5) internal successors, (194), 5 states have internal predecessors, (194), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 236
[2024-12-01 23:10:12,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:12,858 INFO L225 Difference]: With dead ends: 2560
[2024-12-01 23:10:12,859 INFO L226 Difference]: Without dead ends: 2559
[2024-12-01 23:10:12,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2024-12-01 23:10:12,859 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 393 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:12,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1813 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:10:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states.
[2024-12-01 23:10:12,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2389.
[2024-12-01 23:10:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 2311 states have (on average 1.324102120294245) internal successors, (3060), 2321 states have internal predecessors, (3060), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3137 transitions.
[2024-12-01 23:10:12,927 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3137 transitions. Word has length 236
[2024-12-01 23:10:12,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:12,927 INFO L471 AbstractCegarLoop]: Abstraction has 2389 states and 3137 transitions.
[2024-12-01 23:10:12,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 48.5) internal successors, (194), 5 states have internal predecessors, (194), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3137 transitions.
[2024-12-01 23:10:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-12-01 23:10:12,928 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:12,928 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:12,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2024-12-01 23:10:13,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31
[2024-12-01 23:10:13,129 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:13,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:13,129 INFO L85 PathProgramCache]: Analyzing trace with hash 309421478, now seen corresponding path program 1 times
[2024-12-01 23:10:13,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:13,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421045285]
[2024-12-01 23:10:13,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:13,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:13,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:13,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421045285]
[2024-12-01 23:10:13,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421045285] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:13,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77217539]
[2024-12-01 23:10:13,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:13,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:13,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:13,338 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:13,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2024-12-01 23:10:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:14,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:14,087 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:14,298 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:10:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked.
[2024-12-01 23:10:14,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77217539] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:10:14,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:10:14,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 3] total 6
[2024-12-01 23:10:14,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249071062]
[2024-12-01 23:10:14,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:10:14,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 23:10:14,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:14,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 23:10:14,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:10:14,490 INFO L87 Difference]: Start difference. First operand 2389 states and 3137 transitions. Second operand has 7 states, 6 states have (on average 91.66666666666667) internal successors, (550), 7 states have internal predecessors, (550), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-12-01 23:10:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:14,624 INFO L93 Difference]: Finished difference Result 4329 states and 5774 transitions.
[2024-12-01 23:10:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-01 23:10:14,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 91.66666666666667) internal successors, (550), 7 states have internal predecessors, (550), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 236
[2024-12-01 23:10:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:14,630 INFO L225 Difference]: With dead ends: 4329
[2024-12-01 23:10:14,630 INFO L226 Difference]: Without dead ends: 4328
[2024-12-01 23:10:14,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:10:14,631 INFO L435 NwaCegarLoop]: 524 mSDtfsCounter, 1714 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:14,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 1624 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:10:14,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states.
[2024-12-01 23:10:14,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4162.
[2024-12-01 23:10:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4162 states, 4084 states have (on average 1.3508814887365328) internal successors, (5517), 4094 states have internal predecessors, (5517), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 4162 states and 5594 transitions.
[2024-12-01 23:10:14,739 INFO L78 Accepts]: Start accepts. Automaton has 4162 states and 5594 transitions. Word has length 236
[2024-12-01 23:10:14,739 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:14,739 INFO L471 AbstractCegarLoop]: Abstraction has 4162 states and 5594 transitions.
[2024-12-01 23:10:14,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 91.66666666666667) internal successors, (550), 7 states have internal predecessors, (550), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-12-01 23:10:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4162 states and 5594 transitions.
[2024-12-01 23:10:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2024-12-01 23:10:14,741 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:14,741 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:14,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0
[2024-12-01 23:10:14,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:14,941 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:14,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:14,942 INFO L85 PathProgramCache]: Analyzing trace with hash 796585369, now seen corresponding path program 1 times
[2024-12-01 23:10:14,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:14,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158993433]
[2024-12-01 23:10:14,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2024-12-01 23:10:15,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:15,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158993433]
[2024-12-01 23:10:15,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158993433] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:10:15,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:10:15,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:10:15,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377344090]
[2024-12-01 23:10:15,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:10:15,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:10:15,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:15,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:10:15,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:10:15,274 INFO L87 Difference]: Start difference. First operand 4162 states and 5594 transitions. Second operand has 5 states, 4 states have (on average 48.75) internal successors, (195), 5 states have internal predecessors, (195), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:15,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:15,484 INFO L93 Difference]: Finished difference Result 4662 states and 6242 transitions.
[2024-12-01 23:10:15,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-01 23:10:15,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 48.75) internal successors, (195), 5 states have internal predecessors, (195), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 237
[2024-12-01 23:10:15,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:15,490 INFO L225 Difference]: With dead ends: 4662
[2024-12-01 23:10:15,490 INFO L226 Difference]: Without dead ends: 4661
[2024-12-01 23:10:15,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:10:15,491 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 391 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:15,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1791 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:10:15,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4661 states.
[2024-12-01 23:10:15,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 4161.
[2024-12-01 23:10:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4161 states, 4084 states have (on average 1.3496571988246817) internal successors, (5512), 4093 states have internal predecessors, (5512), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4161 states to 4161 states and 5589 transitions.
[2024-12-01 23:10:15,595 INFO L78 Accepts]: Start accepts. Automaton has 4161 states and 5589 transitions. Word has length 237
[2024-12-01 23:10:15,595 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:15,595 INFO L471 AbstractCegarLoop]: Abstraction has 4161 states and 5589 transitions.
[2024-12-01 23:10:15,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 48.75) internal successors, (195), 5 states have internal predecessors, (195), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:10:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 4161 states and 5589 transitions.
[2024-12-01 23:10:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246
[2024-12-01 23:10:15,596 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:15,596 INFO L218 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:15,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-01 23:10:15,596 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:15,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1550158914, now seen corresponding path program 1 times
[2024-12-01 23:10:15,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:15,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011393616]
[2024-12-01 23:10:15,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:15,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 68 proven. 215 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.
[2024-12-01 23:10:17,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:17,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011393616]
[2024-12-01 23:10:17,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011393616] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:17,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190596032]
[2024-12-01 23:10:17,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:17,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:17,303 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:17,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2024-12-01 23:10:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:18,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 39 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:18,268 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:18,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:10:18,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11
[2024-12-01 23:10:18,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:10:18,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20
[2024-12-01 23:10:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 59 proven. 37 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked.
[2024-12-01 23:10:19,667 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:10:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190596032] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:22,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:10:22,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30
[2024-12-01 23:10:22,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345899057]
[2024-12-01 23:10:22,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:10:22,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-12-01 23:10:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:22,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-12-01 23:10:22,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1490, Unknown=0, NotChecked=0, Total=1640
[2024-12-01 23:10:22,638 INFO L87 Difference]: Start difference. First operand 4161 states and 5589 transitions. Second operand has 30 states, 30 states have (on average 11.3) internal successors, (339), 30 states have internal predecessors, (339), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-12-01 23:10:27,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:27,741 INFO L93 Difference]: Finished difference Result 9218 states and 12378 transitions.
[2024-12-01 23:10:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states.
[2024-12-01 23:10:27,741 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 11.3) internal successors, (339), 30 states have internal predecessors, (339), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 245
[2024-12-01 23:10:27,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:27,748 INFO L225 Difference]: With dead ends: 9218
[2024-12-01 23:10:27,748 INFO L226 Difference]: Without dead ends: 5187
[2024-12-01 23:10:27,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 332 SyntacticMatches, 8 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=348, Invalid=3558, Unknown=0, NotChecked=0, Total=3906
[2024-12-01 23:10:27,753 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 715 mSDsluCounter, 10607 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 11274 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:27,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 11274 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time]
[2024-12-01 23:10:27,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5187 states.
[2024-12-01 23:10:27,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5187 to 4237.
[2024-12-01 23:10:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4237 states, 4160 states have (on average 1.3454326923076922) internal successors, (5597), 4169 states have internal predecessors, (5597), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 5674 transitions.
[2024-12-01 23:10:27,896 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 5674 transitions. Word has length 245
[2024-12-01 23:10:27,896 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:27,896 INFO L471 AbstractCegarLoop]: Abstraction has 4237 states and 5674 transitions.
[2024-12-01 23:10:27,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 11.3) internal successors, (339), 30 states have internal predecessors, (339), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-12-01 23:10:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 5674 transitions.
[2024-12-01 23:10:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2024-12-01 23:10:27,898 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:27,898 INFO L218 NwaCegarLoop]: trace histogram [24, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:27,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0
[2024-12-01 23:10:28,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34
[2024-12-01 23:10:28,099 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:28,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:28,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1729250036, now seen corresponding path program 1 times
[2024-12-01 23:10:28,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:28,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744505010]
[2024-12-01 23:10:28,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:28,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 71 proven. 252 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2024-12-01 23:10:29,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:29,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744505010]
[2024-12-01 23:10:29,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744505010] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:29,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664457451]
[2024-12-01 23:10:29,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:10:29,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:29,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:29,695 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:29,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2024-12-01 23:10:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:10:31,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 42 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:31,533 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 253 proven. 78 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.
[2024-12-01 23:10:32,103 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:10:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 71 proven. 252 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2024-12-01 23:10:33,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664457451] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:10:33,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:10:33,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21, 17] total 50
[2024-12-01 23:10:33,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503781867]
[2024-12-01 23:10:33,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:10:33,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-12-01 23:10:33,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:33,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-12-01 23:10:33,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=1958, Unknown=0, NotChecked=0, Total=2450
[2024-12-01 23:10:33,290 INFO L87 Difference]: Start difference. First operand 4237 states and 5674 transitions. Second operand has 50 states, 50 states have (on average 5.0) internal successors, (250), 50 states have internal predecessors, (250), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-01 23:10:45,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:10:45,979 INFO L93 Difference]: Finished difference Result 8478 states and 11421 transitions.
[2024-12-01 23:10:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2024-12-01 23:10:45,980 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.0) internal successors, (250), 50 states have internal predecessors, (250), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 247
[2024-12-01 23:10:45,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:10:45,985 INFO L225 Difference]: With dead ends: 8478
[2024-12-01 23:10:45,985 INFO L226 Difference]: Without dead ends: 4360
[2024-12-01 23:10:45,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=1874, Invalid=6316, Unknown=0, NotChecked=0, Total=8190
[2024-12-01 23:10:45,990 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 69 mSDsluCounter, 10757 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 11272 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:10:45,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 11272 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-01 23:10:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4360 states.
[2024-12-01 23:10:46,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4360 to 4295.
[2024-12-01 23:10:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4295 states, 4218 states have (on average 1.3409198672356568) internal successors, (5656), 4227 states have internal predecessors, (5656), 38 states have call successors, (38), 35 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:10:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 4295 states and 5733 transitions.
[2024-12-01 23:10:46,157 INFO L78 Accepts]: Start accepts. Automaton has 4295 states and 5733 transitions. Word has length 247
[2024-12-01 23:10:46,157 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:10:46,157 INFO L471 AbstractCegarLoop]: Abstraction has 4295 states and 5733 transitions.
[2024-12-01 23:10:46,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.0) internal successors, (250), 50 states have internal predecessors, (250), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-01 23:10:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 5733 transitions.
[2024-12-01 23:10:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263
[2024-12-01 23:10:46,158 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:10:46,158 INFO L218 NwaCegarLoop]: trace histogram [39, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:10:46,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0
[2024-12-01 23:10:46,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35
[2024-12-01 23:10:46,359 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:10:46,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:10:46,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1352426217, now seen corresponding path program 2 times
[2024-12-01 23:10:46,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:10:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337109072]
[2024-12-01 23:10:46,359 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:10:46,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:10:47,897 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 23:10:47,897 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:10:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 71 proven. 734 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked.
[2024-12-01 23:10:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:10:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337109072]
[2024-12-01 23:10:49,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337109072] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:10:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199190750]
[2024-12-01 23:10:49,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:10:49,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:10:49,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:10:49,844 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:10:49,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2024-12-01 23:10:51,944 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 23:10:51,944 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:10:51,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 86 conjuncts are in the unsatisfiable core
[2024-12-01 23:10:51,959 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:10:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 72 proven. 735 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked.
[2024-12-01 23:10:52,928 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:10:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 454 proven. 91 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked.
[2024-12-01 23:10:54,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199190750] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:10:54,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:10:54,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 24, 18] total 68
[2024-12-01 23:10:54,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056023375]
[2024-12-01 23:10:54,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:10:54,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states
[2024-12-01 23:10:54,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:10:54,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants.
[2024-12-01 23:10:54,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=3757, Unknown=0, NotChecked=0, Total=4556
[2024-12-01 23:10:54,887 INFO L87 Difference]: Start difference. First operand 4295 states and 5733 transitions. Second operand has 68 states, 68 states have (on average 3.8676470588235294) internal successors, (263), 68 states have internal predecessors, (263), 3 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12)
[2024-12-01 23:11:37,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:11:37,344 INFO L93 Difference]: Finished difference Result 8708 states and 11760 transitions.
[2024-12-01 23:11:37,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2024-12-01 23:11:37,345 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 3.8676470588235294) internal successors, (263), 68 states have internal predecessors, (263), 3 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 262
[2024-12-01 23:11:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:11:37,351 INFO L225 Difference]: With dead ends: 8708
[2024-12-01 23:11:37,351 INFO L226 Difference]: Without dead ends: 4543
[2024-12-01 23:11:37,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4436 ImplicationChecksByTransitivity, 43.3s TimeCoverageRelationStatistics Valid=3402, Invalid=20160, Unknown=0, NotChecked=0, Total=23562
[2024-12-01 23:11:37,358 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 55 mSDsluCounter, 11808 mSDsCounter, 0 mSdLazyCounter, 2696 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 12323 SdHoareTripleChecker+Invalid, 2725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:11:37,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 12323 Invalid, 2725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2696 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-01 23:11:37,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states.
[2024-12-01 23:11:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4413.
[2024-12-01 23:11:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 4336 states have (on average 1.3443265682656826) internal successors, (5829), 4344 states have internal predecessors, (5829), 38 states have call successors, (38), 36 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:11:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 5906 transitions.
[2024-12-01 23:11:37,606 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 5906 transitions. Word has length 262
[2024-12-01 23:11:37,607 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:11:37,607 INFO L471 AbstractCegarLoop]: Abstraction has 4413 states and 5906 transitions.
[2024-12-01 23:11:37,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.8676470588235294) internal successors, (263), 68 states have internal predecessors, (263), 3 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12)
[2024-12-01 23:11:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 5906 transitions.
[2024-12-01 23:11:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2024-12-01 23:11:37,608 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:11:37,608 INFO L218 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:11:37,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0
[2024-12-01 23:11:37,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36
[2024-12-01 23:11:37,809 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:11:37,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:11:37,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1341035918, now seen corresponding path program 3 times
[2024-12-01 23:11:37,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:11:37,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699496330]
[2024-12-01 23:11:37,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-01 23:11:37,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:11:37,945 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-01 23:11:37,946 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:11:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked.
[2024-12-01 23:11:38,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:11:38,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699496330]
[2024-12-01 23:11:38,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699496330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:11:38,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:11:38,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-01 23:11:38,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622948581]
[2024-12-01 23:11:38,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:11:38,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 23:11:38,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:11:38,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 23:11:38,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:11:38,083 INFO L87 Difference]: Start difference. First operand 4413 states and 5906 transitions. Second operand has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:11:38,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:11:38,586 INFO L93 Difference]: Finished difference Result 8782 states and 11773 transitions.
[2024-12-01 23:11:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-01 23:11:38,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 291
[2024-12-01 23:11:38,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:11:38,592 INFO L225 Difference]: With dead ends: 8782
[2024-12-01 23:11:38,592 INFO L226 Difference]: Without dead ends: 4443
[2024-12-01 23:11:38,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:11:38,596 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 13 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:11:38,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2710 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 23:11:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states.
[2024-12-01 23:11:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4413.
[2024-12-01 23:11:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 4336 states have (on average 1.3443265682656826) internal successors, (5829), 4344 states have internal predecessors, (5829), 38 states have call successors, (38), 36 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:11:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 5906 transitions.
[2024-12-01 23:11:38,864 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 5906 transitions. Word has length 291
[2024-12-01 23:11:38,864 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:11:38,864 INFO L471 AbstractCegarLoop]: Abstraction has 4413 states and 5906 transitions.
[2024-12-01 23:11:38,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:11:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 5906 transitions.
[2024-12-01 23:11:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2024-12-01 23:11:38,865 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:11:38,866 INFO L218 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:11:38,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-01 23:11:38,866 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:11:38,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:11:38,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1716384982, now seen corresponding path program 1 times
[2024-12-01 23:11:38,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:11:38,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394041631]
[2024-12-01 23:11:38,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:38,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:11:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:11:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2491 trivial. 0 not checked.
[2024-12-01 23:11:39,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:11:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394041631]
[2024-12-01 23:11:39,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394041631] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:11:39,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:11:39,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:11:39,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891641693]
[2024-12-01 23:11:39,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:11:39,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:11:39,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:11:39,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:11:39,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:11:39,137 INFO L87 Difference]: Start difference. First operand 4413 states and 5906 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:11:39,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:11:39,377 INFO L93 Difference]: Finished difference Result 8737 states and 11697 transitions.
[2024-12-01 23:11:39,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:11:39,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 291
[2024-12-01 23:11:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:11:39,383 INFO L225 Difference]: With dead ends: 8737
[2024-12-01 23:11:39,383 INFO L226 Difference]: Without dead ends: 4356
[2024-12-01 23:11:39,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:11:39,386 INFO L435 NwaCegarLoop]: 504 mSDtfsCounter, 9 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:11:39,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1493 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:11:39,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4356 states.
[2024-12-01 23:11:39,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4356 to 4356.
[2024-12-01 23:11:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 4279 states have (on average 1.341201215237205) internal successors, (5739), 4287 states have internal predecessors, (5739), 38 states have call successors, (38), 36 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:11:39,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 5816 transitions.
[2024-12-01 23:11:39,751 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 5816 transitions. Word has length 291
[2024-12-01 23:11:39,751 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:11:39,751 INFO L471 AbstractCegarLoop]: Abstraction has 4356 states and 5816 transitions.
[2024-12-01 23:11:39,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:11:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 5816 transitions.
[2024-12-01 23:11:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-12-01 23:11:39,755 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:11:39,755 INFO L218 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:11:39,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-01 23:11:39,755 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:11:39,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:11:39,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1899186254, now seen corresponding path program 1 times
[2024-12-01 23:11:39,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:11:39,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894860642]
[2024-12-01 23:11:39,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:39,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:11:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:11:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2528 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 2473 trivial. 0 not checked.
[2024-12-01 23:11:40,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:11:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894860642]
[2024-12-01 23:11:40,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894860642] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:11:40,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:11:40,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-01 23:11:40,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240478892]
[2024-12-01 23:11:40,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:11:40,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-01 23:11:40,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:11:40,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-01 23:11:40,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-01 23:11:40,455 INFO L87 Difference]: Start difference. First operand 4356 states and 5816 transitions. Second operand has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:11:40,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:11:40,986 INFO L93 Difference]: Finished difference Result 8708 states and 11641 transitions.
[2024-12-01 23:11:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-01 23:11:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 293
[2024-12-01 23:11:40,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:11:40,992 INFO L225 Difference]: With dead ends: 8708
[2024-12-01 23:11:40,993 INFO L226 Difference]: Without dead ends: 4416
[2024-12-01 23:11:40,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-01 23:11:40,996 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 16 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:11:40,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3629 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 23:11:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4416 states.
[2024-12-01 23:11:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4416 to 4398.
[2024-12-01 23:11:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4321 states have (on average 1.3406618838231892) internal successors, (5793), 4329 states have internal predecessors, (5793), 38 states have call successors, (38), 36 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:11:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 5870 transitions.
[2024-12-01 23:11:41,219 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 5870 transitions. Word has length 293
[2024-12-01 23:11:41,219 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:11:41,219 INFO L471 AbstractCegarLoop]: Abstraction has 4398 states and 5870 transitions.
[2024-12-01 23:11:41,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:11:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 5870 transitions.
[2024-12-01 23:11:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-12-01 23:11:41,221 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:11:41,221 INFO L218 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:11:41,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-01 23:11:41,221 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:11:41,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:11:41,221 INFO L85 PathProgramCache]: Analyzing trace with hash 696396238, now seen corresponding path program 1 times
[2024-12-01 23:11:41,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:11:41,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159352984]
[2024-12-01 23:11:41,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:41,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:11:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:11:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2528 backedges. 72 proven. 1559 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked.
[2024-12-01 23:11:44,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:11:44,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159352984]
[2024-12-01 23:11:44,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159352984] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:11:44,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532963816]
[2024-12-01 23:11:44,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:44,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:11:44,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:11:44,741 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:11:44,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2024-12-01 23:11:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:11:46,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 2227 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-12-01 23:11:46,663 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:11:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2528 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 2473 trivial. 0 not checked.
[2024-12-01 23:11:47,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:11:47,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532963816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:11:47,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:11:47,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [32] total 38
[2024-12-01 23:11:47,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95143729]
[2024-12-01 23:11:47,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:11:47,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-01 23:11:47,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:11:47,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-01 23:11:47,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1306, Unknown=0, NotChecked=0, Total=1406
[2024-12-01 23:11:47,018 INFO L87 Difference]: Start difference. First operand 4398 states and 5870 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:11:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:11:47,654 INFO L93 Difference]: Finished difference Result 8785 states and 11740 transitions.
[2024-12-01 23:11:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-01 23:11:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 293
[2024-12-01 23:11:47,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:11:47,662 INFO L225 Difference]: With dead ends: 8785
[2024-12-01 23:11:47,662 INFO L226 Difference]: Without dead ends: 4458
[2024-12-01 23:11:47,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=108, Invalid=1452, Unknown=0, NotChecked=0, Total=1560
[2024-12-01 23:11:47,666 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 32 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2747 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:11:47,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2747 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:11:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states.
[2024-12-01 23:11:47,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4428.
[2024-12-01 23:11:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4428 states, 4351 states have (on average 1.33969202482188) internal successors, (5829), 4359 states have internal predecessors, (5829), 38 states have call successors, (38), 36 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:11:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 5906 transitions.
[2024-12-01 23:11:47,976 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 5906 transitions. Word has length 293
[2024-12-01 23:11:47,976 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:11:47,976 INFO L471 AbstractCegarLoop]: Abstraction has 4428 states and 5906 transitions.
[2024-12-01 23:11:47,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-01 23:11:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 5906 transitions.
[2024-12-01 23:11:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296
[2024-12-01 23:11:47,977 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:11:47,977 INFO L218 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:11:47,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0
[2024-12-01 23:11:48,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:11:48,178 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:11:48,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:11:48,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1431913902, now seen corresponding path program 1 times
[2024-12-01 23:11:48,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:11:48,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910392172]
[2024-12-01 23:11:48,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:48,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:11:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:11:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2529 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 2471 trivial. 0 not checked.
[2024-12-01 23:11:49,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:11:49,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910392172]
[2024-12-01 23:11:49,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910392172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:11:49,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:11:49,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-01 23:11:49,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828534364]
[2024-12-01 23:11:49,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:11:49,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-01 23:11:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:11:49,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-01 23:11:49,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:11:49,024 INFO L87 Difference]: Start difference. First operand 4428 states and 5906 transitions. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:11:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:11:49,702 INFO L93 Difference]: Finished difference Result 8839 states and 11812 transitions.
[2024-12-01 23:11:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-01 23:11:49,702 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 295
[2024-12-01 23:11:49,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:11:49,709 INFO L225 Difference]: With dead ends: 8839
[2024-12-01 23:11:49,709 INFO L226 Difference]: Without dead ends: 4482
[2024-12-01 23:11:49,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2024-12-01 23:11:49,713 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 19 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4062 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-01 23:11:49,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4062 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-01 23:11:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states.
[2024-12-01 23:11:49,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 4446.
[2024-12-01 23:11:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4446 states, 4369 states have (on average 1.3382925154497596) internal successors, (5847), 4377 states have internal predecessors, (5847), 38 states have call successors, (38), 36 states have call predecessors, (38), 32 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39)
[2024-12-01 23:11:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4446 states to 4446 states and 5924 transitions.
[2024-12-01 23:11:49,937 INFO L78 Accepts]: Start accepts. Automaton has 4446 states and 5924 transitions. Word has length 295
[2024-12-01 23:11:49,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:11:49,937 INFO L471 AbstractCegarLoop]: Abstraction has 4446 states and 5924 transitions.
[2024-12-01 23:11:49,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:11:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4446 states and 5924 transitions.
[2024-12-01 23:11:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296
[2024-12-01 23:11:49,939 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:11:49,939 INFO L218 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:11:49,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-01 23:11:49,939 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:11:49,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:11:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash 855981174, now seen corresponding path program 1 times
[2024-12-01 23:11:49,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:11:49,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131958672]
[2024-12-01 23:11:49,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:11:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:11:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2529 backedges. 73 proven. 1559 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked.
[2024-12-01 23:11:52,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:11:52,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131958672]
[2024-12-01 23:11:52,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131958672] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:11:52,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558463714]
[2024-12-01 23:11:52,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:11:52,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:11:52,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:11:52,948 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:11:52,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2024-12-01 23:12:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:12:01,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 2229 conjuncts, 479 conjuncts are in the unsatisfiable core
[2024-12-01 23:12:01,085 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:12:01,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-12-01 23:12:01,449 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size
[2024-12-01 23:12:01,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21
[2024-12-01 23:12:01,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 23:12:01,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-01 23:12:01,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10
[2024-12-01 23:12:01,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2024-12-01 23:12:02,859 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2024-12-01 23:12:02,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45
[2024-12-01 23:12:02,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11
[2024-12-01 23:12:02,972 INFO L349 Elim1Store]: treesize reduction 213, result has 0.5 percent of original size
[2024-12-01 23:12:02,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1367 treesize of output 1233
[2024-12-01 23:12:02,992 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size
[2024-12-01 23:12:02,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 598 treesize of output 490
[2024-12-01 23:12:03,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11
[2024-12-01 23:12:03,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 8
[2024-12-01 23:12:03,030 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size
[2024-12-01 23:12:03,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1095 treesize of output 1091
[2024-12-01 23:12:03,069 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size
[2024-12-01 23:12:03,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1272 treesize of output 1234
[2024-12-01 23:12:03,080 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size
[2024-12-01 23:12:03,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 701 treesize of output 1
[2024-12-01 23:12:03,098 INFO L349 Elim1Store]: treesize reduction 213, result has 0.5 percent of original size
[2024-12-01 23:12:03,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1599 treesize of output 1425
[2024-12-01 23:12:03,140 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size
[2024-12-01 23:12:03,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 675 treesize of output 1
[2024-12-01 23:12:03,156 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size
[2024-12-01 23:12:03,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1246 treesize of output 1214
[2024-12-01 23:12:03,175 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size
[2024-12-01 23:12:03,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1349 treesize of output 1301
[2024-12-01 23:12:03,197 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size
[2024-12-01 23:12:03,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1272 treesize of output 1234
[2024-12-01 23:12:03,213 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size
[2024-12-01 23:12:03,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 701 treesize of output 1
[2024-12-01 23:12:03,234 INFO L349 Elim1Store]: treesize reduction 213, result has 0.5 percent of original size
[2024-12-01 23:12:03,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1599 treesize of output 1425
[2024-12-01 23:12:03,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-01 23:12:03,610 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size
[2024-12-01 23:12:03,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22
[2024-12-01 23:12:03,767 INFO L349 Elim1Store]: treesize reduction 137, result has 9.9 percent of original size
[2024-12-01 23:12:03,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 227 treesize of output 148
[2024-12-01 23:12:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-12-01 23:12:03,793 INFO L349 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size
[2024-12-01 23:12:03,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 64
[2024-12-01 23:12:03,817 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2024-12-01 23:12:03,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 73
[2024-12-01 23:12:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-12-01 23:12:03,828 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2024-12-01 23:12:03,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 26
[2024-12-01 23:15:15,064 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-12-01 23:15:15,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101
[2024-12-01 23:15:15,065 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-12-01 23:15:15,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0
[2024-12-01 23:15:15,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:15,265 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.<init>(PredicateUnifier.java:786)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:555)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:160)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:140)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 45 more
[2024-12-01 23:15:15,269 INFO L158 Benchmark]: Toolchain (without parser) took 355738.01ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 114.4MB in the beginning and 893.1MB in the end (delta: -778.7MB). Peak memory consumption was 758.9MB. Max. memory is 16.1GB.
[2024-12-01 23:15:15,269 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:15:15,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.77ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 71.3MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-01 23:15:15,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.19ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 62.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-01 23:15:15,269 INFO L158 Benchmark]: Boogie Preprocessor took 182.05ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 100.6MB in the end (delta: -38.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
[2024-12-01 23:15:15,270 INFO L158 Benchmark]: RCFGBuilder took 1819.06ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 91.4MB in the end (delta: 9.2MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB.
[2024-12-01 23:15:15,270 INFO L158 Benchmark]: TraceAbstraction took 352769.97ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 90.5MB in the beginning and 893.1MB in the end (delta: -802.5MB). Peak memory consumption was 733.5MB. Max. memory is 16.1GB.
[2024-12-01 23:15:15,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 868.77ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 71.3MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 91.19ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 62.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 182.05ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 100.6MB in the end (delta: -38.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 1819.06ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 91.4MB in the end (delta: 9.2MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 352769.97ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 90.5MB in the beginning and 893.1MB in the end (delta: -802.5MB). Peak memory consumption was 733.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 23:15:17,053 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 23:15:17,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf
[2024-12-01 23:15:17,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 23:15:17,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 23:15:17,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 23:15:17,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 23:15:17,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 23:15:17,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 23:15:17,161 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 23:15:17,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 23:15:17,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 23:15:17,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 23:15:17,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 23:15:17,161 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 23:15:17,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 23:15:17,162 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 23:15:17,163 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:15:17,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:15:17,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:15:17,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 23:15:17,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 23:15:17,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 23:15:17,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 23:15:17,165 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7
[2024-12-01 23:15:17,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 23:15:17,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 23:15:17,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 23:15:17,408 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 23:15:17,408 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 23:15:17,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i
[2024-12-01 23:15:20,087 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/4f569b303/67ed4bd2c19742ba940431a048bc1c66/FLAG3e474024c
[2024-12-01 23:15:20,374 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 23:15:20,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i
[2024-12-01 23:15:20,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/4f569b303/67ed4bd2c19742ba940431a048bc1c66/FLAG3e474024c
[2024-12-01 23:15:20,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/data/4f569b303/67ed4bd2c19742ba940431a048bc1c66
[2024-12-01 23:15:20,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 23:15:20,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 23:15:20,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 23:15:20,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 23:15:20,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 23:15:20,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:15:20" (1/1) ...
[2024-12-01 23:15:20,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419d074a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:20, skipping insertion in model container
[2024-12-01 23:15:20,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:15:20" (1/1) ...
[2024-12-01 23:15:20,699 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:15:21,093 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,123 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,126 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,130 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,138 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,171 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,171 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,174 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,174 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,178 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,179 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,180 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,180 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,185 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,189 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:15:21,204 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-12-01 23:15:21,214 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:15:21,253 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,283 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,287 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,289 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,293 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,311 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,312 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,313 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,314 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,316 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,317 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,317 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,318 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,320 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-01 23:15:21,323 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:15:21,327 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 23:15:21,403 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:15:21,458 INFO L204 MainTranslator]: Completed translation
[2024-12-01 23:15:21,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21 WrapperNode
[2024-12-01 23:15:21,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 23:15:21,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 23:15:21,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 23:15:21,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 23:15:21,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,545 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1046
[2024-12-01 23:15:21,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 23:15:21,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 23:15:21,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 23:15:21,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 23:15:21,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,635 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [220, 2, 12, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [0, 2, 10, 0]. The 54 writes are split as follows [49, 0, 1, 4].
[2024-12-01 23:15:21,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 23:15:21,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 23:15:21,703 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 23:15:21,703 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 23:15:21,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (1/1) ...
[2024-12-01 23:15:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:15:21,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:21,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 23:15:21,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 23:15:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-12-01 23:15:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-12-01 23:15:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-01 23:15:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-01 23:15:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-12-01 23:15:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-12-01 23:15:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-12-01 23:15:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero
[2024-12-01 23:15:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-01 23:15:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc
[2024-12-01 23:15:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-01 23:15:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-01 23:15:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-12-01 23:15:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free
[2024-12-01 23:15:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free
[2024-12-01 23:15:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 23:15:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 23:15:21,956 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 23:15:21,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 23:15:28,611 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live.
[2024-12-01 23:15:28,611 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 23:15:28,625 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 23:15:28,625 INFO L312 CfgBuilder]: Removed 36 assume(true) statements.
[2024-12-01 23:15:28,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:15:28 BoogieIcfgContainer
[2024-12-01 23:15:28,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 23:15:28,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 23:15:28,628 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 23:15:28,633 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 23:15:28,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:15:20" (1/3) ...
[2024-12-01 23:15:28,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d586294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:15:28, skipping insertion in model container
[2024-12-01 23:15:28,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:21" (2/3) ...
[2024-12-01 23:15:28,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d586294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:15:28, skipping insertion in model container
[2024-12-01 23:15:28,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:15:28" (3/3) ...
[2024-12-01 23:15:28,635 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i
[2024-12-01 23:15:28,649 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 23:15:28,651 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test6-1.i that has 6 procedures, 265 locations, 1 initial locations, 36 loop locations, and 14 error locations.
[2024-12-01 23:15:28,704 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 23:15:28,713 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29bc872b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 23:15:28,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2024-12-01 23:15:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 265 states, 228 states have (on average 1.6096491228070176) internal successors, (367), 245 states have internal predecessors, (367), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-01 23:15:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-01 23:15:28,724 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:28,724 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:28,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:28,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:28,729 INFO L85 PathProgramCache]: Analyzing trace with hash -885637860, now seen corresponding path program 1 times
[2024-12-01 23:15:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:28,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589457504]
[2024-12-01 23:15:28,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:28,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:28,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:28,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:28,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-01 23:15:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:28,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:28,979 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:28,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:28,993 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:28,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589457504]
[2024-12-01 23:15:28,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589457504] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:28,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:28,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:15:28,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749443737]
[2024-12-01 23:15:28,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:28,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-01 23:15:28,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:29,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-01 23:15:29,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-01 23:15:29,015 INFO L87 Difference]: Start difference. First operand has 265 states, 228 states have (on average 1.6096491228070176) internal successors, (367), 245 states have internal predecessors, (367), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:29,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:29,059 INFO L93 Difference]: Finished difference Result 517 states and 809 transitions.
[2024-12-01 23:15:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-01 23:15:29,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-01 23:15:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:29,068 INFO L225 Difference]: With dead ends: 517
[2024-12-01 23:15:29,068 INFO L226 Difference]: Without dead ends: 240
[2024-12-01 23:15:29,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-01 23:15:29,074 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:29,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:15:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states.
[2024-12-01 23:15:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240.
[2024-12-01 23:15:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 218 states have (on average 1.2798165137614679) internal successors, (279), 226 states have internal predecessors, (279), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:15:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 299 transitions.
[2024-12-01 23:15:29,116 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 299 transitions. Word has length 9
[2024-12-01 23:15:29,117 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:29,117 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 299 transitions.
[2024-12-01 23:15:29,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 299 transitions.
[2024-12-01 23:15:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-01 23:15:29,118 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:29,118 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:29,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-01 23:15:29,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:29,319 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:29,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash -885635938, now seen corresponding path program 1 times
[2024-12-01 23:15:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5463192]
[2024-12-01 23:15:29,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:29,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:29,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:29,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:29,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-01 23:15:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:29,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:29,539 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:29,582 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-01 23:15:29,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 21
[2024-12-01 23:15:29,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-01 23:15:29,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 32
[2024-12-01 23:15:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:29,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:29,847 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:29,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5463192]
[2024-12-01 23:15:29,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5463192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:29,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:29,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:15:29,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88114209]
[2024-12-01 23:15:29,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:29,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-01 23:15:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:29,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-01 23:15:29,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:15:29,851 INFO L87 Difference]: Start difference. First operand 240 states and 299 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:31,043 INFO L93 Difference]: Finished difference Result 556 states and 703 transitions.
[2024-12-01 23:15:31,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:15:31,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-01 23:15:31,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:31,046 INFO L225 Difference]: With dead ends: 556
[2024-12-01 23:15:31,047 INFO L226 Difference]: Without dead ends: 446
[2024-12-01 23:15:31,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-12-01 23:15:31,048 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 242 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:31,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1420 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-01 23:15:31,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states.
[2024-12-01 23:15:31,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 248.
[2024-12-01 23:15:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 226 states have (on average 1.2699115044247788) internal successors, (287), 234 states have internal predecessors, (287), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:15:31,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 307 transitions.
[2024-12-01 23:15:31,067 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 307 transitions. Word has length 9
[2024-12-01 23:15:31,067 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:31,067 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 307 transitions.
[2024-12-01 23:15:31,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 307 transitions.
[2024-12-01 23:15:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-01 23:15:31,068 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:31,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:31,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-01 23:15:31,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:31,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:31,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1274311106, now seen corresponding path program 1 times
[2024-12-01 23:15:31,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:31,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160437499]
[2024-12-01 23:15:31,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:31,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:31,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:31,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-01 23:15:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:31,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:31,543 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:31,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:31,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:31,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160437499]
[2024-12-01 23:15:31,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160437499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:31,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:31,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:15:31,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987845395]
[2024-12-01 23:15:31,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:31,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:15:31,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:31,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:15:31,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:15:31,565 INFO L87 Difference]: Start difference. First operand 248 states and 307 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:31,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:31,680 INFO L93 Difference]: Finished difference Result 506 states and 634 transitions.
[2024-12-01 23:15:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:15:31,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48
[2024-12-01 23:15:31,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:31,682 INFO L225 Difference]: With dead ends: 506
[2024-12-01 23:15:31,682 INFO L226 Difference]: Without dead ends: 268
[2024-12-01 23:15:31,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:15:31,684 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 8 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:31,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 543 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:15:31,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2024-12-01 23:15:31,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268.
[2024-12-01 23:15:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 246 states have (on average 1.2479674796747968) internal successors, (307), 254 states have internal predecessors, (307), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:15:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 327 transitions.
[2024-12-01 23:15:31,697 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 327 transitions. Word has length 48
[2024-12-01 23:15:31,697 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:31,698 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 327 transitions.
[2024-12-01 23:15:31,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:31,698 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 327 transitions.
[2024-12-01 23:15:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-01 23:15:31,698 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:31,698 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:31,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-01 23:15:31,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:31,899 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:31,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash 851609280, now seen corresponding path program 1 times
[2024-12-01 23:15:31,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:31,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745396681]
[2024-12-01 23:15:31,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:31,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:31,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:31,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:31,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-01 23:15:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:32,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:32,141 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:32,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:32,165 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:32,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745396681]
[2024-12-01 23:15:32,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745396681] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:32,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:32,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:15:32,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670185651]
[2024-12-01 23:15:32,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:32,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:15:32,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:32,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:15:32,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:15:32,166 INFO L87 Difference]: Start difference. First operand 268 states and 327 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:32,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:32,289 INFO L93 Difference]: Finished difference Result 508 states and 626 transitions.
[2024-12-01 23:15:32,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:15:32,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48
[2024-12-01 23:15:32,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:32,291 INFO L225 Difference]: With dead ends: 508
[2024-12-01 23:15:32,291 INFO L226 Difference]: Without dead ends: 250
[2024-12-01 23:15:32,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:32,292 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 32 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:32,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 781 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:15:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states.
[2024-12-01 23:15:32,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250.
[2024-12-01 23:15:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 228 states have (on average 1.219298245614035) internal successors, (278), 236 states have internal predecessors, (278), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-01 23:15:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 298 transitions.
[2024-12-01 23:15:32,303 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 298 transitions. Word has length 48
[2024-12-01 23:15:32,303 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:32,303 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 298 transitions.
[2024-12-01 23:15:32,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 298 transitions.
[2024-12-01 23:15:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-01 23:15:32,304 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:32,304 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:32,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-01 23:15:32,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:32,505 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:32,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:32,505 INFO L85 PathProgramCache]: Analyzing trace with hash -746901170, now seen corresponding path program 1 times
[2024-12-01 23:15:32,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:32,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354680336]
[2024-12-01 23:15:32,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:32,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:32,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:32,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-01 23:15:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:32,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:32,746 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:32,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:32,910 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:32,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354680336]
[2024-12-01 23:15:32,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354680336] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:32,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:32,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:15:32,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018390183]
[2024-12-01 23:15:32,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:32,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:15:32,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:32,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:15:32,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:15:32,912 INFO L87 Difference]: Start difference. First operand 250 states and 298 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:32,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:32,981 INFO L93 Difference]: Finished difference Result 429 states and 513 transitions.
[2024-12-01 23:15:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:15:32,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48
[2024-12-01 23:15:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:32,985 INFO L225 Difference]: With dead ends: 429
[2024-12-01 23:15:32,985 INFO L226 Difference]: Without dead ends: 427
[2024-12-01 23:15:32,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:32,986 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 162 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:32,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 841 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:15:32,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states.
[2024-12-01 23:15:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421.
[2024-12-01 23:15:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 396 states have (on average 1.2222222222222223) internal successors, (484), 405 states have internal predecessors, (484), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-01 23:15:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 510 transitions.
[2024-12-01 23:15:32,998 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 510 transitions. Word has length 48
[2024-12-01 23:15:32,998 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:32,999 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 510 transitions.
[2024-12-01 23:15:32,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 510 transitions.
[2024-12-01 23:15:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-12-01 23:15:33,000 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:33,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:33,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-01 23:15:33,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:33,200 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:33,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:33,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1968651611, now seen corresponding path program 1 times
[2024-12-01 23:15:33,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:33,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006366328]
[2024-12-01 23:15:33,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:33,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:33,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:33,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:33,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-01 23:15:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:33,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:33,466 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:33,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:33,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:33,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006366328]
[2024-12-01 23:15:33,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006366328] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:33,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:33,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-01 23:15:33,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807086951]
[2024-12-01 23:15:33,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:33,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:15:33,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:33,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:15:33,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:15:33,628 INFO L87 Difference]: Start difference. First operand 421 states and 510 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:15:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:33,654 INFO L93 Difference]: Finished difference Result 550 states and 666 transitions.
[2024-12-01 23:15:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:15:33,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58
[2024-12-01 23:15:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:33,658 INFO L225 Difference]: With dead ends: 550
[2024-12-01 23:15:33,658 INFO L226 Difference]: Without dead ends: 549
[2024-12-01 23:15:33,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:15:33,659 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 180 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:33,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 567 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:15:33,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states.
[2024-12-01 23:15:33,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 543.
[2024-12-01 23:15:33,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 510 states have (on average 1.2333333333333334) internal successors, (629), 520 states have internal predecessors, (629), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-01 23:15:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 665 transitions.
[2024-12-01 23:15:33,683 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 665 transitions. Word has length 58
[2024-12-01 23:15:33,683 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:33,683 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 665 transitions.
[2024-12-01 23:15:33,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:15:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 665 transitions.
[2024-12-01 23:15:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-12-01 23:15:33,685 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:33,685 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:33,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-01 23:15:33,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:33,886 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:33,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:33,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1103192686, now seen corresponding path program 1 times
[2024-12-01 23:15:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:33,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788886267]
[2024-12-01 23:15:33,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:33,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:33,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:33,888 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:33,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-01 23:15:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:34,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:34,205 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:34,260 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:34,260 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:34,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788886267]
[2024-12-01 23:15:34,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788886267] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:34,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:34,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-01 23:15:34,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904383450]
[2024-12-01 23:15:34,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:34,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:15:34,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:34,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:15:34,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:34,262 INFO L87 Difference]: Start difference. First operand 543 states and 665 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:15:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:34,349 INFO L93 Difference]: Finished difference Result 787 states and 962 transitions.
[2024-12-01 23:15:34,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:15:34,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67
[2024-12-01 23:15:34,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:34,352 INFO L225 Difference]: With dead ends: 787
[2024-12-01 23:15:34,353 INFO L226 Difference]: Without dead ends: 547
[2024-12-01 23:15:34,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:34,354 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 1 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:34,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1118 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:15:34,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states.
[2024-12-01 23:15:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547.
[2024-12-01 23:15:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 513 states have (on average 1.2339181286549707) internal successors, (633), 524 states have internal predecessors, (633), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (20), 15 states have call predecessors, (20), 18 states have call successors, (20)
[2024-12-01 23:15:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 671 transitions.
[2024-12-01 23:15:34,377 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 671 transitions. Word has length 67
[2024-12-01 23:15:34,377 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:34,378 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 671 transitions.
[2024-12-01 23:15:34,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:15:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 671 transitions.
[2024-12-01 23:15:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-12-01 23:15:34,379 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:34,379 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:34,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-01 23:15:34,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:34,580 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:34,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash 296143222, now seen corresponding path program 1 times
[2024-12-01 23:15:34,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:34,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387296806]
[2024-12-01 23:15:34,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:34,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:34,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:34,582 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:34,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-01 23:15:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:34,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:34,897 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:15:35,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:35,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:35,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387296806]
[2024-12-01 23:15:35,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387296806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:35,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:35,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:15:35,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654130411]
[2024-12-01 23:15:35,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:35,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:15:35,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:35,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:15:35,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:15:35,225 INFO L87 Difference]: Start difference. First operand 547 states and 671 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:35,673 INFO L93 Difference]: Finished difference Result 924 states and 1123 transitions.
[2024-12-01 23:15:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:15:35,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64
[2024-12-01 23:15:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:35,675 INFO L225 Difference]: With dead ends: 924
[2024-12-01 23:15:35,675 INFO L226 Difference]: Without dead ends: 387
[2024-12-01 23:15:35,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:15:35,676 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 94 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:35,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 590 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-01 23:15:35,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states.
[2024-12-01 23:15:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383.
[2024-12-01 23:15:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 355 states have (on average 1.208450704225352) internal successors, (429), 365 states have internal predecessors, (429), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14)
[2024-12-01 23:15:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 456 transitions.
[2024-12-01 23:15:35,691 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 456 transitions. Word has length 64
[2024-12-01 23:15:35,691 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:35,691 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 456 transitions.
[2024-12-01 23:15:35,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:15:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 456 transitions.
[2024-12-01 23:15:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-12-01 23:15:35,692 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:35,692 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:35,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-01 23:15:35,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:35,893 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:35,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2094052783, now seen corresponding path program 1 times
[2024-12-01 23:15:35,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:35,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996516746]
[2024-12-01 23:15:35,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:35,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:35,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:35,896 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:35,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-01 23:15:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:36,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:36,206 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 23:15:36,378 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:36,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:36,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996516746]
[2024-12-01 23:15:36,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996516746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:36,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:36,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-01 23:15:36,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447755455]
[2024-12-01 23:15:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:36,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 23:15:36,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:36,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 23:15:36,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:15:36,380 INFO L87 Difference]: Start difference. First operand 383 states and 456 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 23:15:36,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:36,754 INFO L93 Difference]: Finished difference Result 709 states and 855 transitions.
[2024-12-01 23:15:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-01 23:15:36,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 68
[2024-12-01 23:15:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:36,757 INFO L225 Difference]: With dead ends: 709
[2024-12-01 23:15:36,757 INFO L226 Difference]: Without dead ends: 386
[2024-12-01 23:15:36,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:15:36,759 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 29 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:36,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1273 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 23:15:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2024-12-01 23:15:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383.
[2024-12-01 23:15:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 355 states have (on average 1.2056338028169014) internal successors, (428), 364 states have internal predecessors, (428), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14)
[2024-12-01 23:15:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 455 transitions.
[2024-12-01 23:15:36,775 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 455 transitions. Word has length 68
[2024-12-01 23:15:36,775 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:36,775 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 455 transitions.
[2024-12-01 23:15:36,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 23:15:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 455 transitions.
[2024-12-01 23:15:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-12-01 23:15:36,776 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:36,776 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:36,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-01 23:15:36,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:36,977 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:36,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:36,977 INFO L85 PathProgramCache]: Analyzing trace with hash 489067158, now seen corresponding path program 1 times
[2024-12-01 23:15:36,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:36,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431740031]
[2024-12-01 23:15:36,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:36,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:36,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:36,979 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:36,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-01 23:15:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:37,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:37,290 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 23:15:37,370 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:37,370 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:37,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431740031]
[2024-12-01 23:15:37,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431740031] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:37,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:37,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:15:37,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902098642]
[2024-12-01 23:15:37,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:37,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:15:37,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:37,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:15:37,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:15:37,372 INFO L87 Difference]: Start difference. First operand 383 states and 455 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 23:15:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:37,483 INFO L93 Difference]: Finished difference Result 678 states and 823 transitions.
[2024-12-01 23:15:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:15:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 73
[2024-12-01 23:15:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:37,487 INFO L225 Difference]: With dead ends: 678
[2024-12-01 23:15:37,488 INFO L226 Difference]: Without dead ends: 676
[2024-12-01 23:15:37,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:37,489 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 242 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:37,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1336 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:15:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states.
[2024-12-01 23:15:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 669.
[2024-12-01 23:15:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 630 states have (on average 1.2222222222222223) internal successors, (770), 640 states have internal predecessors, (770), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (29), 18 states have call predecessors, (29), 21 states have call successors, (29)
[2024-12-01 23:15:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 820 transitions.
[2024-12-01 23:15:37,517 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 820 transitions. Word has length 73
[2024-12-01 23:15:37,517 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:37,517 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 820 transitions.
[2024-12-01 23:15:37,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 23:15:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 820 transitions.
[2024-12-01 23:15:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2024-12-01 23:15:37,518 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:37,519 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:37,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-01 23:15:37,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:37,719 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:37,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:37,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1714647373, now seen corresponding path program 1 times
[2024-12-01 23:15:37,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:37,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959159775]
[2024-12-01 23:15:37,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:37,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:37,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:37,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:37,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-01 23:15:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:38,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:38,073 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 23:15:38,325 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:15:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-01 23:15:38,742 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:38,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959159775]
[2024-12-01 23:15:38,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959159775] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:15:38,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:15:38,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9
[2024-12-01 23:15:38,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852092296]
[2024-12-01 23:15:38,742 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:15:38,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-01 23:15:38,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:38,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-01 23:15:38,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:15:38,743 INFO L87 Difference]: Start difference. First operand 669 states and 820 transitions. Second operand has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 10 states have internal predecessors, (143), 5 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8)
[2024-12-01 23:15:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:39,720 INFO L93 Difference]: Finished difference Result 1613 states and 1984 transitions.
[2024-12-01 23:15:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-01 23:15:39,722 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 10 states have internal predecessors, (143), 5 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 83
[2024-12-01 23:15:39,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:39,726 INFO L225 Difference]: With dead ends: 1613
[2024-12-01 23:15:39,726 INFO L226 Difference]: Without dead ends: 1603
[2024-12-01 23:15:39,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342
[2024-12-01 23:15:39,728 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 779 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:39,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 2163 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-01 23:15:39,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states.
[2024-12-01 23:15:39,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1589.
[2024-12-01 23:15:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1501 states have (on average 1.2285143237841438) internal successors, (1844), 1515 states have internal predecessors, (1844), 52 states have call successors, (52), 28 states have call predecessors, (52), 28 states have return successors, (73), 45 states have call predecessors, (73), 52 states have call successors, (73)
[2024-12-01 23:15:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 1969 transitions.
[2024-12-01 23:15:39,802 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 1969 transitions. Word has length 83
[2024-12-01 23:15:39,803 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:39,803 INFO L471 AbstractCegarLoop]: Abstraction has 1589 states and 1969 transitions.
[2024-12-01 23:15:39,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 10 states have internal predecessors, (143), 5 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8)
[2024-12-01 23:15:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1969 transitions.
[2024-12-01 23:15:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-01 23:15:39,804 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:39,804 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:39,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-01 23:15:40,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:40,005 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:40,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:40,005 INFO L85 PathProgramCache]: Analyzing trace with hash -486333475, now seen corresponding path program 1 times
[2024-12-01 23:15:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:40,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948063841]
[2024-12-01 23:15:40,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:40,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:40,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:40,007 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:40,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-01 23:15:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:40,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:40,441 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-01 23:15:40,778 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:15:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-01 23:15:41,537 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948063841]
[2024-12-01 23:15:41,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948063841] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:15:41,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:15:41,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 18
[2024-12-01 23:15:41,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229428845]
[2024-12-01 23:15:41,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:15:41,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-12-01 23:15:41,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:41,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-12-01 23:15:41,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342
[2024-12-01 23:15:41,539 INFO L87 Difference]: Start difference. First operand 1589 states and 1969 transitions. Second operand has 19 states, 18 states have (on average 9.5) internal successors, (171), 16 states have internal predecessors, (171), 8 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 6 states have call predecessors, (10), 8 states have call successors, (10)
[2024-12-01 23:15:44,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:15:44,295 INFO L93 Difference]: Finished difference Result 5825 states and 7296 transitions.
[2024-12-01 23:15:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states.
[2024-12-01 23:15:44,296 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 9.5) internal successors, (171), 16 states have internal predecessors, (171), 8 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 6 states have call predecessors, (10), 8 states have call successors, (10) Word has length 104
[2024-12-01 23:15:44,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:15:44,305 INFO L225 Difference]: With dead ends: 5825
[2024-12-01 23:15:44,305 INFO L226 Difference]: Without dead ends: 4400
[2024-12-01 23:15:44,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=481, Invalid=1499, Unknown=0, NotChecked=0, Total=1980
[2024-12-01 23:15:44,308 INFO L435 NwaCegarLoop]: 757 mSDtfsCounter, 3435 mSDsluCounter, 7674 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 8431 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-12-01 23:15:44,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3441 Valid, 8431 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-12-01 23:15:44,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states.
[2024-12-01 23:15:44,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 3232.
[2024-12-01 23:15:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 3093 states have (on average 1.2363401228580666) internal successors, (3824), 3116 states have internal predecessors, (3824), 87 states have call successors, (87), 42 states have call predecessors, (87), 44 states have return successors, (115), 73 states have call predecessors, (115), 87 states have call successors, (115)
[2024-12-01 23:15:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4026 transitions.
[2024-12-01 23:15:44,422 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4026 transitions. Word has length 104
[2024-12-01 23:15:44,422 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:15:44,422 INFO L471 AbstractCegarLoop]: Abstraction has 3232 states and 4026 transitions.
[2024-12-01 23:15:44,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 9.5) internal successors, (171), 16 states have internal predecessors, (171), 8 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 6 states have call predecessors, (10), 8 states have call successors, (10)
[2024-12-01 23:15:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4026 transitions.
[2024-12-01 23:15:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-12-01 23:15:44,423 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:15:44,423 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:15:44,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-01 23:15:44,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:44,624 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:15:44,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:15:44,624 INFO L85 PathProgramCache]: Analyzing trace with hash -187286588, now seen corresponding path program 1 times
[2024-12-01 23:15:44,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:15:44,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124620701]
[2024-12-01 23:15:44,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:15:44,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:15:44,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:15:44,627 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:15:44,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-01 23:15:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:15:45,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-01 23:15:45,082 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:15:45,089 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-01 23:15:45,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 21
[2024-12-01 23:15:46,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-01 23:15:46,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 18
[2024-12-01 23:15:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-01 23:15:46,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:15:46,030 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:15:46,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124620701]
[2024-12-01 23:15:46,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124620701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:15:46,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:15:46,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-01 23:15:46,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716360596]
[2024-12-01 23:15:46,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:15:46,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:15:46,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:15:46,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:15:46,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:15:46,031 INFO L87 Difference]: Start difference. First operand 3232 states and 4026 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:15:50,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 23:15:54,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 23:15:58,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 23:16:02,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 23:16:07,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 23:16:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:07,269 INFO L93 Difference]: Finished difference Result 4544 states and 5704 transitions.
[2024-12-01 23:16:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:16:07,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 109
[2024-12-01 23:16:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:07,290 INFO L225 Difference]: With dead ends: 4544
[2024-12-01 23:16:07,290 INFO L226 Difference]: Without dead ends: 4543
[2024-12-01 23:16:07,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 98 SyntacticMatches, 7 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-01 23:16:07,292 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 171 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:07,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1029 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 112 Invalid, 5 Unknown, 0 Unchecked, 21.1s Time]
[2024-12-01 23:16:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states.
[2024-12-01 23:16:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 3982.
[2024-12-01 23:16:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3982 states, 3817 states have (on average 1.2462667015981137) internal successors, (4757), 3847 states have internal predecessors, (4757), 102 states have call successors, (102), 53 states have call predecessors, (102), 55 states have return successors, (130), 81 states have call predecessors, (130), 102 states have call successors, (130)
[2024-12-01 23:16:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3982 states and 4989 transitions.
[2024-12-01 23:16:07,491 INFO L78 Accepts]: Start accepts. Automaton has 3982 states and 4989 transitions. Word has length 109
[2024-12-01 23:16:07,491 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:07,491 INFO L471 AbstractCegarLoop]: Abstraction has 3982 states and 4989 transitions.
[2024-12-01 23:16:07,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:16:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 4989 transitions.
[2024-12-01 23:16:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-12-01 23:16:07,493 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:16:07,493 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:16:07,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-01 23:16:07,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:16:07,693 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:16:07,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:07,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1476358020, now seen corresponding path program 1 times
[2024-12-01 23:16:07,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:16:07,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856498499]
[2024-12-01 23:16:07,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:16:07,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:16:07,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:16:07,696 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:16:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-01 23:16:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:16:08,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-01 23:16:08,165 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:16:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-01 23:16:08,221 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:16:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-01 23:16:08,368 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:16:08,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856498499]
[2024-12-01 23:16:08,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856498499] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:16:08,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:16:08,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-12-01 23:16:08,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691986978]
[2024-12-01 23:16:08,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:16:08,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-01 23:16:08,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:16:08,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-01 23:16:08,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-01 23:16:08,370 INFO L87 Difference]: Start difference. First operand 3982 states and 4989 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-01 23:16:08,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:08,713 INFO L93 Difference]: Finished difference Result 8025 states and 10121 transitions.
[2024-12-01 23:16:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-01 23:16:08,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 116
[2024-12-01 23:16:08,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:08,722 INFO L225 Difference]: With dead ends: 8025
[2024-12-01 23:16:08,723 INFO L226 Difference]: Without dead ends: 4108
[2024-12-01 23:16:08,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2024-12-01 23:16:08,727 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 16 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:08,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1127 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 23:16:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4108 states.
[2024-12-01 23:16:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4108 to 4073.
[2024-12-01 23:16:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4073 states, 3902 states have (on average 1.2532034853921066) internal successors, (4890), 3929 states have internal predecessors, (4890), 102 states have call successors, (102), 62 states have call predecessors, (102), 61 states have return successors, (138), 81 states have call predecessors, (138), 102 states have call successors, (138)
[2024-12-01 23:16:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 5130 transitions.
[2024-12-01 23:16:08,860 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 5130 transitions. Word has length 116
[2024-12-01 23:16:08,860 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:08,860 INFO L471 AbstractCegarLoop]: Abstraction has 4073 states and 5130 transitions.
[2024-12-01 23:16:08,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-01 23:16:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 5130 transitions.
[2024-12-01 23:16:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-12-01 23:16:08,861 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:16:08,861 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:16:08,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-12-01 23:16:09,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:16:09,062 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:16:09,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:09,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1670194402, now seen corresponding path program 2 times
[2024-12-01 23:16:09,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:16:09,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898751925]
[2024-12-01 23:16:09,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 23:16:09,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:16:09,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:16:09,065 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:16:09,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-12-01 23:16:09,698 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 23:16:09,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:16:09,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-01 23:16:09,721 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:16:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-12-01 23:16:09,839 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:16:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-01 23:16:10,084 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:16:10,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898751925]
[2024-12-01 23:16:10,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898751925] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:16:10,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-01 23:16:10,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2024-12-01 23:16:10,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622789438]
[2024-12-01 23:16:10,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:16:10,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-01 23:16:10,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-01 23:16:10,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-01 23:16:10,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2024-12-01 23:16:10,086 INFO L87 Difference]: Start difference. First operand 4073 states and 5130 transitions. Second operand has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-01 23:16:10,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:16:10,661 INFO L93 Difference]: Finished difference Result 8158 states and 10317 transitions.
[2024-12-01 23:16:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-01 23:16:10,662 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120
[2024-12-01 23:16:10,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:16:10,670 INFO L225 Difference]: With dead ends: 8158
[2024-12-01 23:16:10,670 INFO L226 Difference]: Without dead ends: 4130
[2024-12-01 23:16:10,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306
[2024-12-01 23:16:10,675 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 14 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 23:16:10,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1958 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 23:16:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4130 states.
[2024-12-01 23:16:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4130 to 4107.
[2024-12-01 23:16:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4107 states, 3936 states have (on average 1.2548272357723578) internal successors, (4939), 3963 states have internal predecessors, (4939), 102 states have call successors, (102), 62 states have call predecessors, (102), 61 states have return successors, (129), 81 states have call predecessors, (129), 102 states have call successors, (129)
[2024-12-01 23:16:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 4107 states and 5170 transitions.
[2024-12-01 23:16:10,887 INFO L78 Accepts]: Start accepts. Automaton has 4107 states and 5170 transitions. Word has length 120
[2024-12-01 23:16:10,888 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:16:10,888 INFO L471 AbstractCegarLoop]: Abstraction has 4107 states and 5170 transitions.
[2024-12-01 23:16:10,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-01 23:16:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 5170 transitions.
[2024-12-01 23:16:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-12-01 23:16:10,889 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:16:10,889 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:16:10,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-12-01 23:16:11,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:16:11,090 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-12-01 23:16:11,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:16:11,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1615995170, now seen corresponding path program 3 times
[2024-12-01 23:16:11,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-01 23:16:11,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675800717]
[2024-12-01 23:16:11,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-01 23:16:11,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:16:11,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:16:11,092 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:16:11,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2024-12-01 23:16:11,598 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-01 23:16:11,598 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 23:16:11,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-12-01 23:16:11,617 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:16:11,622 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-12-01 23:16:11,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 21
[2024-12-01 23:16:13,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-01 23:16:13,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 167 treesize of output 66
[2024-12-01 23:16:13,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-01 23:16:13,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 58
[2024-12-01 23:16:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked.
[2024-12-01 23:16:13,242 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:16:33,667 WARN L873 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2865 (_ BitVec 8))) (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (let ((.cse1 (bvadd (_ bv1 32) |c_ULTIMATE.start_main_#t~post172#1|))) (concat (concat (concat ((_ extract 31 24) .cse1) ((_ extract 23 16) .cse1)) v_ArrVal_2865) ((_ extract 7 0) .cse1)))))) (bvmul .cse0 .cse0)))) is different from true
[2024-12-01 23:16:45,876 WARN L873 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2865 (_ BitVec 8))) (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (let ((.cse1 (bvadd (let ((.cse2 (select |c_#memory_int#3| |c_ULTIMATE.start_main_~#i~0#1.base|))) (concat (concat (concat (select .cse2 (bvadd |c_ULTIMATE.start_main_~#i~0#1.offset| (_ bv3 32))) (select .cse2 (bvadd |c_ULTIMATE.start_main_~#i~0#1.offset| (_ bv2 32)))) (select .cse2 (bvadd |c_ULTIMATE.start_main_~#i~0#1.offset| (_ bv1 32)))) (select .cse2 |c_ULTIMATE.start_main_~#i~0#1.offset|))) (_ bv1 32)))) (concat (concat (concat ((_ extract 31 24) .cse1) ((_ extract 23 16) .cse1)) v_ArrVal_2865) ((_ extract 7 0) .cse1)))))) (bvmul .cse0 .cse0)))) is different from true
[2024-12-01 23:17:45,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-01 23:17:45,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675800717]
[2024-12-01 23:17:45,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675800717] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:17:45,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1483539612]
[2024-12-01 23:17:45,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-01 23:17:45,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-01 23:17:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-01 23:17:45,806 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-01 23:17:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5b73c8-acd6-4d8b-a72c-a05a49f77f1c/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process