./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.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_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB --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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:29:51,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:29:51,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 23:29:51,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:29:51,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:29:51,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:29:51,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:29:51,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:29:51,845 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:29:51,845 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:29:51,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:29:51,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:29:51,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:29:51,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:29:51,848 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:29:51,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:29:51,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:29:51,850 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:29:51,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:29:51,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:29:51,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:29:51,850 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:29:51,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:29:51,850 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:29:51,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:29:51,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:29:51,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:29:51,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:51,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:29:51,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:29:51,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:29:51,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:29:51,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:51,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:29:51,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:29:51,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:29:51,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:29:51,854 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_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-27 23:29:52,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:29:52,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:29:52,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:29:52,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:29:52,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:29:52,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-11-27 23:29:55,317 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/data/9f1c8b57f/3f7ee89394f7457784735f93b959b674/FLAGb1bdec06e [2024-11-27 23:29:55,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:29:55,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-11-27 23:29:55,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/data/9f1c8b57f/3f7ee89394f7457784735f93b959b674/FLAGb1bdec06e [2024-11-27 23:29:55,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/data/9f1c8b57f/3f7ee89394f7457784735f93b959b674 [2024-11-27 23:29:55,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:29:55,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:29:55,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:29:55,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:29:55,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:29:55,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:29:55" (1/1) ... [2024-11-27 23:29:55,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d59b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:55, skipping insertion in model container [2024-11-27 23:29:55,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:29:55" (1/1) ... [2024-11-27 23:29:55,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:29:56,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:29:56,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:29:56,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:29:56,819 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:29:56,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56 WrapperNode [2024-11-27 23:29:56,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:29:56,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:29:56,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:29:56,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:29:56,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:56,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:56,994 INFO L138 Inliner]: procedures = 176, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1827 [2024-11-27 23:29:56,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:29:56,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:29:56,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:29:56,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:29:57,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,248 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [401, 2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 98 writes are split as follows [98, 0]. [2024-11-27 23:29:57,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,296 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:29:57,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:29:57,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:29:57,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:29:57,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (1/1) ... [2024-11-27 23:29:57,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:57,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:57,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:29:57,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:29:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:29:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:29:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:29:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:29:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 23:29:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 23:29:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 23:29:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 23:29:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:29:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:29:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:29:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:29:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:29:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:29:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:29:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:29:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:29:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:29:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:29:57,782 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:29:57,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:30:00,604 INFO L? ?]: Removed 423 outVars from TransFormulas that were not future-live. [2024-11-27 23:30:00,605 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:30:00,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:30:00,637 INFO L312 CfgBuilder]: Removed 43 assume(true) statements. [2024-11-27 23:30:00,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:00 BoogieIcfgContainer [2024-11-27 23:30:00,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:30:00,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:30:00,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:30:00,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:30:00,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:29:55" (1/3) ... [2024-11-27 23:30:00,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c03442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:30:00, skipping insertion in model container [2024-11-27 23:30:00,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:56" (2/3) ... [2024-11-27 23:30:00,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c03442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:30:00, skipping insertion in model container [2024-11-27 23:30:00,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:00" (3/3) ... [2024-11-27 23:30:00,658 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-3.i [2024-11-27 23:30:00,675 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:30:00,677 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_nondet_test4-3.i that has 3 procedures, 485 locations, 1 initial locations, 45 loop locations, and 4 error locations. [2024-11-27 23:30:00,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:30:00,774 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;@58dcf640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:30:00,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 23:30:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 481 states, 469 states have (on average 1.6098081023454158) internal successors, (755), 473 states have internal predecessors, (755), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-27 23:30:00,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:00,786 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:00,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:00,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash -210824243, now seen corresponding path program 1 times [2024-11-27 23:30:00,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730744095] [2024-11-27 23:30:00,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:01,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:01,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:01,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730744095] [2024-11-27 23:30:01,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730744095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:01,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:01,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:30:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621190894] [2024-11-27 23:30:01,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:01,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:30:01,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:01,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:30:01,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:30:01,041 INFO L87 Difference]: Start difference. First operand has 481 states, 469 states have (on average 1.6098081023454158) internal successors, (755), 473 states have internal predecessors, (755), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-27 23:30:01,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:01,124 INFO L93 Difference]: Finished difference Result 957 states and 1529 transitions. [2024-11-27 23:30:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:30:01,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-27 23:30:01,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:01,135 INFO L225 Difference]: With dead ends: 957 [2024-11-27 23:30:01,136 INFO L226 Difference]: Without dead ends: 405 [2024-11-27 23:30:01,140 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 [2024-11-27 23:30:01,147 INFO L435 NwaCegarLoop]: 679 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, 679 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 [2024-11-27 23:30:01,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-27 23:30:01,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-27 23:30:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 395 states have (on average 1.4354430379746836) internal successors, (567), 397 states have internal predecessors, (567), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:01,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 579 transitions. [2024-11-27 23:30:01,238 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 579 transitions. Word has length 8 [2024-11-27 23:30:01,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:01,239 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 579 transitions. [2024-11-27 23:30:01,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-27 23:30:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 579 transitions. [2024-11-27 23:30:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-27 23:30:01,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:01,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:01,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:30:01,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:01,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:01,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2054442715, now seen corresponding path program 1 times [2024-11-27 23:30:01,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:01,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834321321] [2024-11-27 23:30:01,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:01,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136526715] [2024-11-27 23:30:01,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:01,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:01,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:01,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:01,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:30:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:01,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:30:01,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:01,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:01,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:01,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834321321] [2024-11-27 23:30:01,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:01,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136526715] [2024-11-27 23:30:01,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136526715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:01,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:01,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:30:01,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009949384] [2024-11-27 23:30:01,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:01,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:01,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:01,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:01,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:01,622 INFO L87 Difference]: Start difference. First operand 405 states and 579 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-11-27 23:30:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:01,741 INFO L93 Difference]: Finished difference Result 799 states and 1147 transitions. [2024-11-27 23:30:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:01,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 [2024-11-27 23:30:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:01,747 INFO L225 Difference]: With dead ends: 799 [2024-11-27 23:30:01,750 INFO L226 Difference]: Without dead ends: 798 [2024-11-27 23:30:01,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:01,752 INFO L435 NwaCegarLoop]: 619 mSDtfsCounter, 549 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:01,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1189 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:01,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-27 23:30:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 411. [2024-11-27 23:30:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 401 states have (on average 1.428927680798005) internal successors, (573), 403 states have internal predecessors, (573), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 585 transitions. [2024-11-27 23:30:01,792 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 585 transitions. Word has length 9 [2024-11-27 23:30:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:01,792 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 585 transitions. [2024-11-27 23:30:01,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-11-27 23:30:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 585 transitions. [2024-11-27 23:30:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-27 23:30:01,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:01,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:01,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:02,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-27 23:30:02,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:02,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:02,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1779082779, now seen corresponding path program 1 times [2024-11-27 23:30:02,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:02,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850167789] [2024-11-27 23:30:02,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:02,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:03,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:03,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850167789] [2024-11-27 23:30:03,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850167789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:03,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:03,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:30:03,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854106342] [2024-11-27 23:30:03,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:03,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:03,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:03,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:03,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:03,029 INFO L87 Difference]: Start difference. First operand 411 states and 585 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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) [2024-11-27 23:30:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:03,156 INFO L93 Difference]: Finished difference Result 816 states and 1164 transitions. [2024-11-27 23:30:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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 153 [2024-11-27 23:30:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:03,159 INFO L225 Difference]: With dead ends: 816 [2024-11-27 23:30:03,159 INFO L226 Difference]: Without dead ends: 414 [2024-11-27 23:30:03,160 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 [2024-11-27 23:30:03,163 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 106 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1559 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 [2024-11-27 23:30:03,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1559 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:03,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-27 23:30:03,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 411. [2024-11-27 23:30:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 401 states have (on average 1.4114713216957606) internal successors, (566), 403 states have internal predecessors, (566), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 578 transitions. [2024-11-27 23:30:03,185 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 578 transitions. Word has length 153 [2024-11-27 23:30:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:03,185 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 578 transitions. [2024-11-27 23:30:03,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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) [2024-11-27 23:30:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 578 transitions. [2024-11-27 23:30:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-27 23:30:03,192 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:03,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:03,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:30:03,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:03,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash 563004657, now seen corresponding path program 1 times [2024-11-27 23:30:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:03,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479917904] [2024-11-27 23:30:03,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:03,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:03,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479917904] [2024-11-27 23:30:03,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479917904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:03,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:03,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:03,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108256236] [2024-11-27 23:30:03,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:03,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:03,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:03,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:03,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:03,596 INFO L87 Difference]: Start difference. First operand 411 states and 578 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2024-11-27 23:30:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:03,668 INFO L93 Difference]: Finished difference Result 941 states and 1335 transitions. [2024-11-27 23:30:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:03,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 153 [2024-11-27 23:30:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:03,674 INFO L225 Difference]: With dead ends: 941 [2024-11-27 23:30:03,676 INFO L226 Difference]: Without dead ends: 539 [2024-11-27 23:30:03,677 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 [2024-11-27 23:30:03,678 INFO L435 NwaCegarLoop]: 571 mSDtfsCounter, 135 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:03,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1134 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:03,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-27 23:30:03,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2024-11-27 23:30:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 529 states have (on average 1.4234404536862004) internal successors, (753), 531 states have internal predecessors, (753), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 765 transitions. [2024-11-27 23:30:03,706 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 765 transitions. Word has length 153 [2024-11-27 23:30:03,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:03,707 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 765 transitions. [2024-11-27 23:30:03,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2024-11-27 23:30:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 765 transitions. [2024-11-27 23:30:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 23:30:03,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:03,713 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:30:03,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:30:03,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:03,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:03,714 INFO L85 PathProgramCache]: Analyzing trace with hash 342625600, now seen corresponding path program 1 times [2024-11-27 23:30:03,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:03,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030245569] [2024-11-27 23:30:03,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:30:04,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:04,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030245569] [2024-11-27 23:30:04,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030245569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:04,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:04,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:04,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371330063] [2024-11-27 23:30:04,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:04,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:04,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:04,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:04,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:04,180 INFO L87 Difference]: Start difference. First operand 539 states and 765 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:04,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:04,259 INFO L93 Difference]: Finished difference Result 1010 states and 1438 transitions. [2024-11-27 23:30:04,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:04,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2024-11-27 23:30:04,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:04,264 INFO L225 Difference]: With dead ends: 1010 [2024-11-27 23:30:04,264 INFO L226 Difference]: Without dead ends: 551 [2024-11-27 23:30:04,267 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 [2024-11-27 23:30:04,268 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 1 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:04,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1110 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:04,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-27 23:30:04,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2024-11-27 23:30:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 541 states have (on average 1.4140480591497226) internal successors, (765), 543 states have internal predecessors, (765), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 777 transitions. [2024-11-27 23:30:04,304 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 777 transitions. Word has length 168 [2024-11-27 23:30:04,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:04,304 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 777 transitions. [2024-11-27 23:30:04,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 777 transitions. [2024-11-27 23:30:04,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 23:30:04,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:04,307 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:30:04,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:30:04,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:04,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1960066050, now seen corresponding path program 1 times [2024-11-27 23:30:04,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:04,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301151602] [2024-11-27 23:30:04,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:30:04,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:04,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301151602] [2024-11-27 23:30:04,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301151602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:04,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:04,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:30:04,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093284691] [2024-11-27 23:30:04,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:04,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:04,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:04,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:04,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:04,880 INFO L87 Difference]: Start difference. First operand 551 states and 777 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:04,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:04,997 INFO L93 Difference]: Finished difference Result 962 states and 1355 transitions. [2024-11-27 23:30:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:04,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2024-11-27 23:30:04,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:05,002 INFO L225 Difference]: With dead ends: 962 [2024-11-27 23:30:05,002 INFO L226 Difference]: Without dead ends: 554 [2024-11-27 23:30:05,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:05,005 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 104 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:05,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1613 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-27 23:30:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 551. [2024-11-27 23:30:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 541 states have (on average 1.4011090573012939) internal successors, (758), 543 states have internal predecessors, (758), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 770 transitions. [2024-11-27 23:30:05,032 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 770 transitions. Word has length 168 [2024-11-27 23:30:05,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:05,032 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 770 transitions. [2024-11-27 23:30:05,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 770 transitions. [2024-11-27 23:30:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 23:30:05,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:05,035 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:30:05,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:30:05,035 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:05,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1765761546, now seen corresponding path program 1 times [2024-11-27 23:30:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901841623] [2024-11-27 23:30:05,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:30:05,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:05,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901841623] [2024-11-27 23:30:05,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901841623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:05,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:05,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:30:05,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502304889] [2024-11-27 23:30:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:05,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:05,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:05,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:05,413 INFO L87 Difference]: Start difference. First operand 551 states and 770 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:05,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:05,497 INFO L93 Difference]: Finished difference Result 910 states and 1262 transitions. [2024-11-27 23:30:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:05,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2024-11-27 23:30:05,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:05,501 INFO L225 Difference]: With dead ends: 910 [2024-11-27 23:30:05,501 INFO L226 Difference]: Without dead ends: 502 [2024-11-27 23:30:05,502 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 [2024-11-27 23:30:05,505 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 9 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:05,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1385 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-27 23:30:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2024-11-27 23:30:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 492 states have (on average 1.3760162601626016) internal successors, (677), 494 states have internal predecessors, (677), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:30:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 689 transitions. [2024-11-27 23:30:05,524 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 689 transitions. Word has length 168 [2024-11-27 23:30:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:05,525 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 689 transitions. [2024-11-27 23:30:05,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 689 transitions. [2024-11-27 23:30:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 23:30:05,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:05,532 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:30:05,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:30:05,532 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:05,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:05,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1653186744, now seen corresponding path program 1 times [2024-11-27 23:30:05,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:05,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942767533] [2024-11-27 23:30:05,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:30:06,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:06,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942767533] [2024-11-27 23:30:06,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942767533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:06,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:06,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:06,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411016039] [2024-11-27 23:30:06,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:06,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:06,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:06,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:06,034 INFO L87 Difference]: Start difference. First operand 502 states and 689 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:06,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:06,115 INFO L93 Difference]: Finished difference Result 1003 states and 1366 transitions. [2024-11-27 23:30:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:06,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2024-11-27 23:30:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:06,123 INFO L225 Difference]: With dead ends: 1003 [2024-11-27 23:30:06,123 INFO L226 Difference]: Without dead ends: 644 [2024-11-27 23:30:06,124 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 [2024-11-27 23:30:06,126 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 242 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:06,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 958 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-27 23:30:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2024-11-27 23:30:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 631 states have (on average 1.3629160063391441) internal successors, (860), 633 states have internal predecessors, (860), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:30:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 878 transitions. [2024-11-27 23:30:06,159 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 878 transitions. Word has length 168 [2024-11-27 23:30:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:06,161 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 878 transitions. [2024-11-27 23:30:06,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:30:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 878 transitions. [2024-11-27 23:30:06,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-27 23:30:06,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:06,168 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:06,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:30:06,168 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:06,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:06,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1584910987, now seen corresponding path program 1 times [2024-11-27 23:30:06,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:06,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619201204] [2024-11-27 23:30:06,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:30:06,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:06,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619201204] [2024-11-27 23:30:06,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619201204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:06,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:06,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:06,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687123513] [2024-11-27 23:30:06,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:06,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:06,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:06,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:06,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:06,776 INFO L87 Difference]: Start difference. First operand 644 states and 878 transitions. Second operand has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 4 states have internal predecessors, (166), 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) [2024-11-27 23:30:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:06,856 INFO L93 Difference]: Finished difference Result 712 states and 966 transitions. [2024-11-27 23:30:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:06,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 4 states have internal predecessors, (166), 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 183 [2024-11-27 23:30:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:06,861 INFO L225 Difference]: With dead ends: 712 [2024-11-27 23:30:06,861 INFO L226 Difference]: Without dead ends: 710 [2024-11-27 23:30:06,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:06,863 INFO L435 NwaCegarLoop]: 477 mSDtfsCounter, 296 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:06,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1425 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-27 23:30:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2024-11-27 23:30:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 694 states have (on average 1.3544668587896254) internal successors, (940), 696 states have internal predecessors, (940), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:30:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 964 transitions. [2024-11-27 23:30:06,890 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 964 transitions. Word has length 183 [2024-11-27 23:30:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:06,891 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 964 transitions. [2024-11-27 23:30:06,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 4 states have internal predecessors, (166), 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) [2024-11-27 23:30:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 964 transitions. [2024-11-27 23:30:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-27 23:30:06,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:06,895 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 23:30:06,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:30:06,895 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:06,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:06,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1922235033, now seen corresponding path program 1 times [2024-11-27 23:30:06,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:06,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528582048] [2024-11-27 23:30:06,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:06,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:30:08,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:08,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528582048] [2024-11-27 23:30:08,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528582048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:08,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413177545] [2024-11-27 23:30:08,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:08,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:08,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:08,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:08,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:30:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:09,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:30:09,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:09,273 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 [2024-11-27 23:30:09,310 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 21 treesize of output 20 [2024-11-27 23:30:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:30:10,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:10,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413177545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:10,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:10,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-27 23:30:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803117089] [2024-11-27 23:30:10,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:10,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:30:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:10,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:30:10,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:30:10,561 INFO L87 Difference]: Start difference. First operand 710 states and 964 transitions. Second operand has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 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) [2024-11-27 23:30:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:15,112 INFO L93 Difference]: Finished difference Result 1362 states and 1843 transitions. [2024-11-27 23:30:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:30:15,113 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 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 190 [2024-11-27 23:30:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:15,117 INFO L225 Difference]: With dead ends: 1362 [2024-11-27 23:30:15,117 INFO L226 Difference]: Without dead ends: 748 [2024-11-27 23:30:15,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:30:15,119 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 727 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:15,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 3177 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 23:30:15,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-27 23:30:15,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 742. [2024-11-27 23:30:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 726 states have (on average 1.3457300275482094) internal successors, (977), 728 states have internal predecessors, (977), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:30:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1001 transitions. [2024-11-27 23:30:15,174 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1001 transitions. Word has length 190 [2024-11-27 23:30:15,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:15,174 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1001 transitions. [2024-11-27 23:30:15,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 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) [2024-11-27 23:30:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1001 transitions. [2024-11-27 23:30:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-27 23:30:15,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:15,177 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 23:30:15,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:15,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:30:15,382 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:15,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:15,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1422161399, now seen corresponding path program 1 times [2024-11-27 23:30:15,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:15,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140744125] [2024-11-27 23:30:15,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:30:16,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:16,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140744125] [2024-11-27 23:30:16,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140744125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:16,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915582115] [2024-11-27 23:30:16,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:16,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:16,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:16,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:16,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:30:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:17,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:30:17,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:30:17,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:17,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915582115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:17,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:17,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-27 23:30:17,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748366622] [2024-11-27 23:30:17,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:17,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:17,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:17,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:17,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:17,360 INFO L87 Difference]: Start difference. First operand 742 states and 1001 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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) [2024-11-27 23:30:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:17,690 INFO L93 Difference]: Finished difference Result 1408 states and 1902 transitions. [2024-11-27 23:30:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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 191 [2024-11-27 23:30:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:17,695 INFO L225 Difference]: With dead ends: 1408 [2024-11-27 23:30:17,695 INFO L226 Difference]: Without dead ends: 794 [2024-11-27 23:30:17,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:17,697 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 18 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:17,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1235 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:30:17,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-27 23:30:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 776. [2024-11-27 23:30:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 760 states have (on average 1.3381578947368422) internal successors, (1017), 762 states have internal predecessors, (1017), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:30:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1041 transitions. [2024-11-27 23:30:17,729 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1041 transitions. Word has length 191 [2024-11-27 23:30:17,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:17,729 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1041 transitions. [2024-11-27 23:30:17,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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) [2024-11-27 23:30:17,730 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1041 transitions. [2024-11-27 23:30:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-27 23:30:17,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:17,732 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 23:30:17,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:30:17,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:17,937 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:17,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:17,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1237247586, now seen corresponding path program 1 times [2024-11-27 23:30:17,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:17,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498373772] [2024-11-27 23:30:17,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:17,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:30:18,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498373772] [2024-11-27 23:30:18,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498373772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:18,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:18,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:30:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701657027] [2024-11-27 23:30:18,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:18,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:18,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:18,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:18,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:18,599 INFO L87 Difference]: Start difference. First operand 776 states and 1041 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 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) [2024-11-27 23:30:19,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:19,277 INFO L93 Difference]: Finished difference Result 1434 states and 1928 transitions. [2024-11-27 23:30:19,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:19,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 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 192 [2024-11-27 23:30:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:19,282 INFO L225 Difference]: With dead ends: 1434 [2024-11-27 23:30:19,282 INFO L226 Difference]: Without dead ends: 790 [2024-11-27 23:30:19,283 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 [2024-11-27 23:30:19,284 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 9 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:19,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1517 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:30:19,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-27 23:30:19,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2024-11-27 23:30:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 768 states have (on average 1.3372395833333333) internal successors, (1027), 770 states have internal predecessors, (1027), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:30:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1051 transitions. [2024-11-27 23:30:19,317 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1051 transitions. Word has length 192 [2024-11-27 23:30:19,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:19,318 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1051 transitions. [2024-11-27 23:30:19,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 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) [2024-11-27 23:30:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1051 transitions. [2024-11-27 23:30:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-27 23:30:19,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:19,321 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 23:30:19,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:30:19,321 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:19,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:19,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1355722768, now seen corresponding path program 1 times [2024-11-27 23:30:19,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:19,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617868787] [2024-11-27 23:30:19,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:19,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:30:19,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:19,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617868787] [2024-11-27 23:30:19,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617868787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:19,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:19,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:30:19,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979097256] [2024-11-27 23:30:19,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:19,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:30:19,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:19,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:30:19,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:30:19,959 INFO L87 Difference]: Start difference. First operand 784 states and 1051 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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) [2024-11-27 23:30:20,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:20,821 INFO L93 Difference]: Finished difference Result 1449 states and 1948 transitions. [2024-11-27 23:30:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:30:20,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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 193 [2024-11-27 23:30:20,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:20,825 INFO L225 Difference]: With dead ends: 1449 [2024-11-27 23:30:20,826 INFO L226 Difference]: Without dead ends: 808 [2024-11-27 23:30:20,827 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 [2024-11-27 23:30:20,827 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 13 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:20,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2162 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:30:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-27 23:30:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 800. [2024-11-27 23:30:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 784 states have (on average 1.3380102040816326) internal successors, (1049), 786 states have internal predecessors, (1049), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:30:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1073 transitions. [2024-11-27 23:30:20,860 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1073 transitions. Word has length 193 [2024-11-27 23:30:20,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:20,860 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1073 transitions. [2024-11-27 23:30:20,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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) [2024-11-27 23:30:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1073 transitions. [2024-11-27 23:30:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-27 23:30:20,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:20,865 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 23:30:20,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:30:20,866 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:20,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:20,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1907674196, now seen corresponding path program 1 times [2024-11-27 23:30:20,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:20,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571307671] [2024-11-27 23:30:20,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:20,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:30:21,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571307671] [2024-11-27 23:30:21,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571307671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521115030] [2024-11-27 23:30:21,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:21,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:21,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:21,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:30:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:22,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:30:22,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:30:23,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:23,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521115030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:23,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:23,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2024-11-27 23:30:23,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254007554] [2024-11-27 23:30:23,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:23,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:23,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:23,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:23,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:30:23,620 INFO L87 Difference]: Start difference. First operand 800 states and 1073 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 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) [2024-11-27 23:30:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:23,792 INFO L93 Difference]: Finished difference Result 1412 states and 1901 transitions. [2024-11-27 23:30:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:23,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 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 193 [2024-11-27 23:30:23,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:23,799 INFO L225 Difference]: With dead ends: 1412 [2024-11-27 23:30:23,799 INFO L226 Difference]: Without dead ends: 803 [2024-11-27 23:30:23,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:30:23,801 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 780 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:23,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 1889 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:23,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-27 23:30:23,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2024-11-27 23:30:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 786 states have (on average 1.3384223918575064) internal successors, (1052), 789 states have internal predecessors, (1052), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1080 transitions. [2024-11-27 23:30:23,848 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1080 transitions. Word has length 193 [2024-11-27 23:30:23,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:23,848 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1080 transitions. [2024-11-27 23:30:23,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 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) [2024-11-27 23:30:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1080 transitions. [2024-11-27 23:30:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:30:23,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:23,852 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:23,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:24,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 23:30:24,056 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:24,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:24,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1242356976, now seen corresponding path program 1 times [2024-11-27 23:30:24,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:24,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565530967] [2024-11-27 23:30:24,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:24,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:30:25,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565530967] [2024-11-27 23:30:25,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565530967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593870665] [2024-11-27 23:30:25,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:25,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:25,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:25,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:25,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:30:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:26,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:30:26,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:30:26,604 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:26,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593870665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:26,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:26,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-27 23:30:26,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078335860] [2024-11-27 23:30:26,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:26,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:30:26,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:26,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:30:26,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:26,608 INFO L87 Difference]: Start difference. First operand 803 states and 1080 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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) [2024-11-27 23:30:27,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:27,622 INFO L93 Difference]: Finished difference Result 1471 states and 1983 transitions. [2024-11-27 23:30:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:30:27,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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 197 [2024-11-27 23:30:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:27,627 INFO L225 Difference]: With dead ends: 1471 [2024-11-27 23:30:27,627 INFO L226 Difference]: Without dead ends: 819 [2024-11-27 23:30:27,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:27,629 INFO L435 NwaCegarLoop]: 470 mSDtfsCounter, 13 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:27,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2169 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:30:27,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-27 23:30:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 803. [2024-11-27 23:30:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 786 states have (on average 1.3384223918575064) internal successors, (1052), 789 states have internal predecessors, (1052), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1080 transitions. [2024-11-27 23:30:27,665 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1080 transitions. Word has length 197 [2024-11-27 23:30:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:27,666 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1080 transitions. [2024-11-27 23:30:27,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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) [2024-11-27 23:30:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1080 transitions. [2024-11-27 23:30:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-27 23:30:27,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:27,669 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:27,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:30:27,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 23:30:27,870 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:27,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash 615653774, now seen corresponding path program 1 times [2024-11-27 23:30:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:27,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154180898] [2024-11-27 23:30:27,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:27,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:30:28,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:28,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154180898] [2024-11-27 23:30:28,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154180898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:28,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:28,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:30:28,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23314355] [2024-11-27 23:30:28,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:28,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:30:28,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:28,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:30:28,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:30:28,651 INFO L87 Difference]: Start difference. First operand 803 states and 1080 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 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) [2024-11-27 23:30:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:29,659 INFO L93 Difference]: Finished difference Result 1478 states and 1989 transitions. [2024-11-27 23:30:29,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:30:29,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 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 198 [2024-11-27 23:30:29,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:29,663 INFO L225 Difference]: With dead ends: 1478 [2024-11-27 23:30:29,664 INFO L226 Difference]: Without dead ends: 831 [2024-11-27 23:30:29,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:30:29,665 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 21 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:29,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2969 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:30:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-27 23:30:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 817. [2024-11-27 23:30:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 800 states have (on average 1.3375) internal successors, (1070), 803 states have internal predecessors, (1070), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1098 transitions. [2024-11-27 23:30:29,699 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1098 transitions. Word has length 198 [2024-11-27 23:30:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:29,700 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1098 transitions. [2024-11-27 23:30:29,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 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) [2024-11-27 23:30:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1098 transitions. [2024-11-27 23:30:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-27 23:30:29,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:29,703 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:29,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:30:29,703 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:29,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:29,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1983676558, now seen corresponding path program 1 times [2024-11-27 23:30:29,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:29,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594953570] [2024-11-27 23:30:29,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:30:31,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:31,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594953570] [2024-11-27 23:30:31,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594953570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:31,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789548324] [2024-11-27 23:30:31,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:31,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:31,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:31,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:31,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:30:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:32,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:30:32,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:30:32,782 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:32,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789548324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:32,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:32,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-27 23:30:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344758371] [2024-11-27 23:30:32,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:32,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:30:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:32,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:30:32,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:30:32,785 INFO L87 Difference]: Start difference. First operand 817 states and 1098 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-11-27 23:30:37,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:30:38,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:38,116 INFO L93 Difference]: Finished difference Result 1499 states and 2016 transitions. [2024-11-27 23:30:38,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:30:38,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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 198 [2024-11-27 23:30:38,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:38,121 INFO L225 Difference]: With dead ends: 1499 [2024-11-27 23:30:38,121 INFO L226 Difference]: Without dead ends: 845 [2024-11-27 23:30:38,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:30:38,123 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 18 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:38,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2551 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 916 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-27 23:30:38,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-11-27 23:30:38,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 827. [2024-11-27 23:30:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 810 states have (on average 1.3358024691358024) internal successors, (1082), 813 states have internal predecessors, (1082), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1110 transitions. [2024-11-27 23:30:38,156 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1110 transitions. Word has length 198 [2024-11-27 23:30:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:38,156 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1110 transitions. [2024-11-27 23:30:38,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-11-27 23:30:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1110 transitions. [2024-11-27 23:30:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 23:30:38,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:38,159 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:38,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 23:30:38,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 23:30:38,364 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:38,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:38,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2000958208, now seen corresponding path program 1 times [2024-11-27 23:30:38,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:38,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254223332] [2024-11-27 23:30:38,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:30:39,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:39,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254223332] [2024-11-27 23:30:39,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254223332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:39,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:39,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 23:30:39,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972070296] [2024-11-27 23:30:39,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:39,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:30:39,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:39,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:30:39,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:39,154 INFO L87 Difference]: Start difference. First operand 827 states and 1110 transitions. Second operand has 10 states, 10 states have (on average 17.9) internal successors, (179), 10 states have internal predecessors, (179), 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) [2024-11-27 23:30:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:40,497 INFO L93 Difference]: Finished difference Result 1511 states and 2032 transitions. [2024-11-27 23:30:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:30:40,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 10 states have internal predecessors, (179), 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 199 [2024-11-27 23:30:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:40,503 INFO L225 Difference]: With dead ends: 1511 [2024-11-27 23:30:40,503 INFO L226 Difference]: Without dead ends: 847 [2024-11-27 23:30:40,504 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 [2024-11-27 23:30:40,505 INFO L435 NwaCegarLoop]: 471 mSDtfsCounter, 24 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3251 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:40,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3251 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:30:40,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-27 23:30:40,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 833. [2024-11-27 23:30:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 816 states have (on average 1.3333333333333333) internal successors, (1088), 819 states have internal predecessors, (1088), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1116 transitions. [2024-11-27 23:30:40,537 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1116 transitions. Word has length 199 [2024-11-27 23:30:40,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:40,538 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1116 transitions. [2024-11-27 23:30:40,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 10 states have internal predecessors, (179), 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) [2024-11-27 23:30:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1116 transitions. [2024-11-27 23:30:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 23:30:40,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:40,541 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:40,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:30:40,541 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:40,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:40,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1268870756, now seen corresponding path program 1 times [2024-11-27 23:30:40,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443480899] [2024-11-27 23:30:40,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:40,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:30:41,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:41,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443480899] [2024-11-27 23:30:41,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443480899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:41,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238153506] [2024-11-27 23:30:41,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:41,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:41,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:30:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:43,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:30:43,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:30:48,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:48,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238153506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:48,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:48,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-27 23:30:48,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69583953] [2024-11-27 23:30:48,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:48,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:30:48,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:48,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:30:48,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=154, Unknown=1, NotChecked=0, Total=182 [2024-11-27 23:30:48,726 INFO L87 Difference]: Start difference. First operand 833 states and 1116 transitions. Second operand has 11 states, 11 states have (on average 16.272727272727273) internal successors, (179), 11 states have internal predecessors, (179), 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) [2024-11-27 23:30:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:51,131 INFO L93 Difference]: Finished difference Result 1506 states and 2020 transitions. [2024-11-27 23:30:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:30:51,132 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.272727272727273) internal successors, (179), 11 states have internal predecessors, (179), 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 199 [2024-11-27 23:30:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:51,137 INFO L225 Difference]: With dead ends: 1506 [2024-11-27 23:30:51,138 INFO L226 Difference]: Without dead ends: 839 [2024-11-27 23:30:51,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=27, Invalid=154, Unknown=1, NotChecked=0, Total=182 [2024-11-27 23:30:51,140 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 12 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3498 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:51,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3498 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:30:51,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-27 23:30:51,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 829. [2024-11-27 23:30:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 812 states have (on average 1.332512315270936) internal successors, (1082), 815 states have internal predecessors, (1082), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1110 transitions. [2024-11-27 23:30:51,224 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1110 transitions. Word has length 199 [2024-11-27 23:30:51,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:51,224 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1110 transitions. [2024-11-27 23:30:51,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.272727272727273) internal successors, (179), 11 states have internal predecessors, (179), 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) [2024-11-27 23:30:51,225 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1110 transitions. [2024-11-27 23:30:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 23:30:51,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:51,232 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:51,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 23:30:51,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:51,438 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:51,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:51,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1814562532, now seen corresponding path program 1 times [2024-11-27 23:30:51,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:51,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850562208] [2024-11-27 23:30:51,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:51,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:30:52,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:52,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850562208] [2024-11-27 23:30:52,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850562208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:52,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492610638] [2024-11-27 23:30:52,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:52,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:52,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:52,828 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:52,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:30:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:53,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 23:30:53,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:30:53,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:53,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492610638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:53,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:53,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-27 23:30:53,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439837500] [2024-11-27 23:30:53,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:53,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:30:53,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:53,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:30:53,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:53,899 INFO L87 Difference]: Start difference. First operand 829 states and 1110 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 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) [2024-11-27 23:30:54,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:54,530 INFO L93 Difference]: Finished difference Result 1519 states and 2040 transitions. [2024-11-27 23:30:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:30:54,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 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 199 [2024-11-27 23:30:54,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:54,535 INFO L225 Difference]: With dead ends: 1519 [2024-11-27 23:30:54,536 INFO L226 Difference]: Without dead ends: 859 [2024-11-27 23:30:54,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:54,541 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 42 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:54,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2254 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:30:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-27 23:30:54,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 843. [2024-11-27 23:30:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 826 states have (on average 1.334140435835351) internal successors, (1102), 829 states have internal predecessors, (1102), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1130 transitions. [2024-11-27 23:30:54,579 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1130 transitions. Word has length 199 [2024-11-27 23:30:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:54,579 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1130 transitions. [2024-11-27 23:30:54,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 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) [2024-11-27 23:30:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1130 transitions. [2024-11-27 23:30:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 23:30:54,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:54,583 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-27 23:30:54,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:54,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:54,784 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:54,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash 41288565, now seen corresponding path program 1 times [2024-11-27 23:30:54,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:54,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138157106] [2024-11-27 23:30:54,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:30:56,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:56,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138157106] [2024-11-27 23:30:56,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138157106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:56,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544723880] [2024-11-27 23:30:56,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:56,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:56,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:56,713 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:56,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:30:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:58,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:30:58,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:30:58,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:30:59,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544723880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:30:59,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:30:59,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 8] total 14 [2024-11-27 23:30:59,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670612921] [2024-11-27 23:30:59,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:59,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:30:59,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:59,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:30:59,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:30:59,281 INFO L87 Difference]: Start difference. First operand 843 states and 1130 transitions. Second operand has 14 states, 14 states have (on average 25.857142857142858) internal successors, (362), 14 states have internal predecessors, (362), 4 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:30:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:59,591 INFO L93 Difference]: Finished difference Result 1486 states and 2006 transitions. [2024-11-27 23:30:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:30:59,592 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 25.857142857142858) internal successors, (362), 14 states have internal predecessors, (362), 4 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 199 [2024-11-27 23:30:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:59,597 INFO L225 Difference]: With dead ends: 1486 [2024-11-27 23:30:59,597 INFO L226 Difference]: Without dead ends: 852 [2024-11-27 23:30:59,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:30:59,600 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 393 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 4069 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:59,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 4069 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:30:59,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-11-27 23:30:59,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2024-11-27 23:30:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 834 states have (on average 1.3357314148681054) internal successors, (1114), 837 states have internal predecessors, (1114), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:30:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1142 transitions. [2024-11-27 23:30:59,657 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1142 transitions. Word has length 199 [2024-11-27 23:30:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:59,658 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1142 transitions. [2024-11-27 23:30:59,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 25.857142857142858) internal successors, (362), 14 states have internal predecessors, (362), 4 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:30:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1142 transitions. [2024-11-27 23:30:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-27 23:30:59,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:59,665 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 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] [2024-11-27 23:30:59,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 23:30:59,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 23:30:59,866 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:30:59,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:59,867 INFO L85 PathProgramCache]: Analyzing trace with hash -364513871, now seen corresponding path program 2 times [2024-11-27 23:30:59,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:59,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815794500] [2024-11-27 23:30:59,867 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:30:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:00,552 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:00,552 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:31:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-27 23:31:01,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:01,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815794500] [2024-11-27 23:31:01,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815794500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:01,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056035864] [2024-11-27 23:31:01,263 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:01,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:01,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:01,265 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:01,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 23:31:02,326 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:02,326 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:31:02,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:31:02,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 84 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 23:31:02,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 23 proven. 31 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-27 23:31:02,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056035864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:31:02,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:31:02,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 18 [2024-11-27 23:31:02,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99555565] [2024-11-27 23:31:02,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:02,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:31:02,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:02,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:31:02,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:31:02,628 INFO L87 Difference]: Start difference. First operand 852 states and 1142 transitions. Second operand has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:31:03,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:03,013 INFO L93 Difference]: Finished difference Result 1458 states and 1975 transitions. [2024-11-27 23:31:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 23:31:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 207 [2024-11-27 23:31:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:03,021 INFO L225 Difference]: With dead ends: 1458 [2024-11-27 23:31:03,021 INFO L226 Difference]: Without dead ends: 681 [2024-11-27 23:31:03,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:31:03,025 INFO L435 NwaCegarLoop]: 389 mSDtfsCounter, 31 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:03,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2687 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:31:03,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-27 23:31:03,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 675. [2024-11-27 23:31:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 657 states have (on average 1.3105022831050228) internal successors, (861), 660 states have internal predecessors, (861), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:31:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 889 transitions. [2024-11-27 23:31:03,055 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 889 transitions. Word has length 207 [2024-11-27 23:31:03,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:03,055 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 889 transitions. [2024-11-27 23:31:03,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:31:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 889 transitions. [2024-11-27 23:31:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-27 23:31:03,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:03,057 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 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] [2024-11-27 23:31:03,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:03,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 23:31:03,258 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:31:03,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:03,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1565265745, now seen corresponding path program 3 times [2024-11-27 23:31:03,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:03,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968290114] [2024-11-27 23:31:03,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:31:03,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:03,387 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 23:31:03,387 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:31:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-27 23:31:03,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:03,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968290114] [2024-11-27 23:31:03,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968290114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:03,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:03,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:31:03,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849006747] [2024-11-27 23:31:03,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:03,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:31:03,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:03,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:31:03,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:31:03,696 INFO L87 Difference]: Start difference. First operand 675 states and 889 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 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) [2024-11-27 23:31:04,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:04,180 INFO L93 Difference]: Finished difference Result 1279 states and 1698 transitions. [2024-11-27 23:31:04,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:31:04,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 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 221 [2024-11-27 23:31:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:04,184 INFO L225 Difference]: With dead ends: 1279 [2024-11-27 23:31:04,184 INFO L226 Difference]: Without dead ends: 681 [2024-11-27 23:31:04,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:31:04,186 INFO L435 NwaCegarLoop]: 391 mSDtfsCounter, 8 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1985 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:04,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1985 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:31:04,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-27 23:31:04,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 681. [2024-11-27 23:31:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 663 states have (on average 1.3076923076923077) internal successors, (867), 666 states have internal predecessors, (867), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-27 23:31:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 895 transitions. [2024-11-27 23:31:04,210 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 895 transitions. Word has length 221 [2024-11-27 23:31:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:04,210 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 895 transitions. [2024-11-27 23:31:04,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 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) [2024-11-27 23:31:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 895 transitions. [2024-11-27 23:31:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-27 23:31:04,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:04,212 INFO L218 NwaCegarLoop]: trace histogram [26, 4, 4, 4, 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] [2024-11-27 23:31:04,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 23:31:04,212 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:31:04,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:04,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1844223795, now seen corresponding path program 1 times [2024-11-27 23:31:04,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:04,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821051324] [2024-11-27 23:31:04,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:06,618 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-27 23:31:06,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:06,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821051324] [2024-11-27 23:31:06,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821051324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:06,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026390650] [2024-11-27 23:31:06,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:06,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:06,621 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:06,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1788b3d3-db9f-4572-9d4f-6966c07932d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 23:31:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:08,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-27 23:31:08,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:08,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-27 23:31:08,222 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 11 treesize of output 7 [2024-11-27 23:31:08,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2024-11-27 23:31:08,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-27 23:31:08,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-27 23:31:08,844 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 [2024-11-27 23:31:08,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-27 23:31:08,880 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-27 23:31:08,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-27 23:31:09,009 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 18 treesize of output 10 [2024-11-27 23:31:09,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 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 [2024-11-27 23:31:09,352 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-27 23:31:09,352 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-27 23:31:09,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-11-27 23:36:05,633 INFO L224 Elim1Store]: Index analysis took 29525 ms