./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ef8653ab5e9efee280c553bb1fdcda58cb15f3386a3960c2b8c13358abe5f01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:57:45,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:57:45,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 10:57:45,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:57:45,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:57:45,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:57:45,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:57:45,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:57:45,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:57:45,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:57:45,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:57:45,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:57:45,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:57:45,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:57:45,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:57:45,502 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:57:45,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:57:45,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:57:45,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:57:45,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:57:45,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:57:45,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:57:45,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:57:45,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:57:45,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:57:45,504 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_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ef8653ab5e9efee280c553bb1fdcda58cb15f3386a3960c2b8c13358abe5f01 [2024-12-02 10:57:45,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:57:45,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:57:45,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:57:45,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:57:45,743 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:57:45,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_good.i [2024-12-02 10:57:48,545 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/data/4ba73c7d6/0655d5accbdc45ff9253c9311f3932a8/FLAGfe99b3960 [2024-12-02 10:57:48,907 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:57:48,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_good.i [2024-12-02 10:57:48,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/data/4ba73c7d6/0655d5accbdc45ff9253c9311f3932a8/FLAGfe99b3960 [2024-12-02 10:57:48,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/data/4ba73c7d6/0655d5accbdc45ff9253c9311f3932a8 [2024-12-02 10:57:48,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:57:48,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:57:48,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:57:48,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:57:48,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:57:48,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:48" (1/1) ... [2024-12-02 10:57:48,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4dd1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:48, skipping insertion in model container [2024-12-02 10:57:48,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:48" (1/1) ... [2024-12-02 10:57:48,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:57:49,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:57:49,817 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:57:49,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:57:50,031 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:57:50,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50 WrapperNode [2024-12-02 10:57:50,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:57:50,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:57:50,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:57:50,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:57:50,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,078 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2024-12-02 10:57:50,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:57:50,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:57:50,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:57:50,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:57:50,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,099 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 10:57:50,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,105 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:57:50,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:57:50,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:57:50,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:57:50,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (1/1) ... [2024-12-02 10:57:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:57:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:50,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:57:50,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:57:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 10:57:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 10:57:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 10:57:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 10:57:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:57:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:57:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:57:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-02 10:57:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-02 10:57:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-12-02 10:57:50,170 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-12-02 10:57:50,285 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:57:50,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:57:50,475 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-02 10:57:50,475 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:57:50,485 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:57:50,485 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 10:57:50,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:57:50 BoogieIcfgContainer [2024-12-02 10:57:50,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:57:50,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:57:50,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:57:50,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:57:50,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:57:48" (1/3) ... [2024-12-02 10:57:50,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed213f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:57:50, skipping insertion in model container [2024-12-02 10:57:50,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:50" (2/3) ... [2024-12-02 10:57:50,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed213f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:57:50, skipping insertion in model container [2024-12-02 10:57:50,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:57:50" (3/3) ... [2024-12-02 10:57:50,497 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_08_good.i [2024-12-02 10:57:50,513 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:57:50,515 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_predec_08_good.i that has 5 procedures, 81 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 10:57:50,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:57:50,581 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;@489467dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:57:50,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 10:57:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 10:57:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 10:57:50,592 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:50,592 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] [2024-12-02 10:57:50,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:50,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1192752490, now seen corresponding path program 1 times [2024-12-02 10:57:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237230855] [2024-12-02 10:57:50,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:50,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:57:50,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:50,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237230855] [2024-12-02 10:57:50,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237230855] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:50,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:50,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:57:50,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410156893] [2024-12-02 10:57:50,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:50,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:50,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:50,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:50,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:50,841 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 10:57:50,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:50,899 INFO L93 Difference]: Finished difference Result 150 states and 194 transitions. [2024-12-02 10:57:50,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:50,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2024-12-02 10:57:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:50,907 INFO L225 Difference]: With dead ends: 150 [2024-12-02 10:57:50,907 INFO L226 Difference]: Without dead ends: 77 [2024-12-02 10:57:50,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:50,914 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 6 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:50,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 196 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:50,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-02 10:57:50,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2024-12-02 10:57:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 57 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2024-12-02 10:57:50,954 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 22 [2024-12-02 10:57:50,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:50,954 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2024-12-02 10:57:50,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 10:57:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2024-12-02 10:57:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 10:57:50,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:50,956 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] [2024-12-02 10:57:50,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:57:50,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:50,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:50,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1679378543, now seen corresponding path program 1 times [2024-12-02 10:57:50,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:50,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37753411] [2024-12-02 10:57:50,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:50,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:57:51,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:51,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37753411] [2024-12-02 10:57:51,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37753411] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:51,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:51,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:57:51,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573786675] [2024-12-02 10:57:51,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:51,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:51,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:51,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:51,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:51,068 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-02 10:57:51,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:51,097 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2024-12-02 10:57:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:51,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-12-02 10:57:51,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:51,099 INFO L225 Difference]: With dead ends: 76 [2024-12-02 10:57:51,099 INFO L226 Difference]: Without dead ends: 75 [2024-12-02 10:57:51,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:51,100 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:51,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 164 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:51,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-12-02 10:57:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-12-02 10:57:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 56 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2024-12-02 10:57:51,111 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 23 [2024-12-02 10:57:51,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:51,111 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2024-12-02 10:57:51,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-02 10:57:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2024-12-02 10:57:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 10:57:51,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:51,113 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 10:57:51,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:57:51,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:51,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1523660820, now seen corresponding path program 1 times [2024-12-02 10:57:51,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:51,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139097715] [2024-12-02 10:57:51,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:51,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 10:57:51,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:51,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139097715] [2024-12-02 10:57:51,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139097715] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:51,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:51,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:57:51,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702476756] [2024-12-02 10:57:51,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:51,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:57:51,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:51,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:57:51,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:57:51,239 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 10:57:51,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:51,266 INFO L93 Difference]: Finished difference Result 127 states and 162 transitions. [2024-12-02 10:57:51,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:57:51,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-12-02 10:57:51,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:51,268 INFO L225 Difference]: With dead ends: 127 [2024-12-02 10:57:51,268 INFO L226 Difference]: Without dead ends: 73 [2024-12-02 10:57:51,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:57:51,269 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:51,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:51,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-02 10:57:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-12-02 10:57:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.297872340425532) internal successors, (61), 55 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:57:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-12-02 10:57:51,279 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 40 [2024-12-02 10:57:51,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:51,280 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-12-02 10:57:51,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 10:57:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-12-02 10:57:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 10:57:51,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:51,282 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 10:57:51,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:57:51,282 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:51,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash 792919792, now seen corresponding path program 1 times [2024-12-02 10:57:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:51,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580649704] [2024-12-02 10:57:51,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 10:57:51,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:51,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580649704] [2024-12-02 10:57:51,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580649704] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:51,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:51,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:57:51,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762116610] [2024-12-02 10:57:51,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:51,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:51,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:51,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:51,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:51,344 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 10:57:51,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:51,373 INFO L93 Difference]: Finished difference Result 117 states and 146 transitions. [2024-12-02 10:57:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:51,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2024-12-02 10:57:51,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:51,375 INFO L225 Difference]: With dead ends: 117 [2024-12-02 10:57:51,375 INFO L226 Difference]: Without dead ends: 77 [2024-12-02 10:57:51,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:51,376 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 6 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:51,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 167 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-02 10:57:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-12-02 10:57:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.28) internal successors, (64), 57 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2024-12-02 10:57:51,386 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 41 [2024-12-02 10:57:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:51,386 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2024-12-02 10:57:51,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 10:57:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2024-12-02 10:57:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-02 10:57:51,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:51,388 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:57:51,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:57:51,388 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:51,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:51,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1189290128, now seen corresponding path program 1 times [2024-12-02 10:57:51,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:51,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197584419] [2024-12-02 10:57:51,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 10:57:51,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:51,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197584419] [2024-12-02 10:57:51,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197584419] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:51,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:51,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:57:51,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383524155] [2024-12-02 10:57:51,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:51,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:51,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:51,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:51,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:51,456 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 10:57:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:51,473 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2024-12-02 10:57:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:51,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-12-02 10:57:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:51,475 INFO L225 Difference]: With dead ends: 77 [2024-12-02 10:57:51,475 INFO L226 Difference]: Without dead ends: 76 [2024-12-02 10:57:51,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:51,476 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 3 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:51,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 154 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-02 10:57:51,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-12-02 10:57:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.26) internal successors, (63), 56 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2024-12-02 10:57:51,485 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 42 [2024-12-02 10:57:51,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:51,485 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2024-12-02 10:57:51,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 10:57:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2024-12-02 10:57:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 10:57:51,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:51,487 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 10:57:51,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:57:51,487 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:51,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2019893220, now seen corresponding path program 1 times [2024-12-02 10:57:51,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:51,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536067164] [2024-12-02 10:57:51,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:51,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-02 10:57:51,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:51,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536067164] [2024-12-02 10:57:51,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536067164] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:57:51,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943696449] [2024-12-02 10:57:51,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:51,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:51,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:57:51,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:57:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:51,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:57:51,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:57:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 10:57:51,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:57:51,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943696449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:51,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:57:51,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 10:57:51,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128345035] [2024-12-02 10:57:51,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:51,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:51,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:51,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:51,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:51,717 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 10:57:51,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:51,735 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2024-12-02 10:57:51,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:51,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2024-12-02 10:57:51,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:51,737 INFO L225 Difference]: With dead ends: 76 [2024-12-02 10:57:51,737 INFO L226 Difference]: Without dead ends: 75 [2024-12-02 10:57:51,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:51,738 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:51,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 153 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-12-02 10:57:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-12-02 10:57:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.24) internal successors, (62), 55 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2024-12-02 10:57:51,747 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 53 [2024-12-02 10:57:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:51,747 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2024-12-02 10:57:51,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 10:57:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2024-12-02 10:57:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 10:57:51,749 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:51,749 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 10:57:51,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:57:51,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:51,950 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:51,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:51,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1807819496, now seen corresponding path program 1 times [2024-12-02 10:57:51,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:51,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629780209] [2024-12-02 10:57:51,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-02 10:57:52,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:52,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629780209] [2024-12-02 10:57:52,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629780209] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:57:52,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781350086] [2024-12-02 10:57:52,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:52,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:57:52,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:57:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:52,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:57:52,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:57:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 10:57:52,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:57:52,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781350086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:52,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:57:52,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 10:57:52,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837638180] [2024-12-02 10:57:52,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:52,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:52,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:52,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:52,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:52,165 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 10:57:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:52,183 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2024-12-02 10:57:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:52,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-12-02 10:57:52,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:52,184 INFO L225 Difference]: With dead ends: 81 [2024-12-02 10:57:52,184 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 10:57:52,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:52,185 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:52,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 162 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:52,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 10:57:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2024-12-02 10:57:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 58 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 10:57:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 103 transitions. [2024-12-02 10:57:52,193 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 103 transitions. Word has length 54 [2024-12-02 10:57:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:52,193 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 103 transitions. [2024-12-02 10:57:52,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 10:57:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2024-12-02 10:57:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-02 10:57:52,195 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:52,195 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2024-12-02 10:57:52,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:57:52,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:52,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:52,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:52,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1707288602, now seen corresponding path program 1 times [2024-12-02 10:57:52,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:52,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341278850] [2024-12-02 10:57:52,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:52,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-02 10:57:52,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:52,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341278850] [2024-12-02 10:57:52,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341278850] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:57:52,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81109042] [2024-12-02 10:57:52,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:52,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:52,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:57:52,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:57:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:52,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:57:52,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:57:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 10:57:52,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:57:52,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81109042] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:52,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:57:52,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 10:57:52,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849149951] [2024-12-02 10:57:52,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:52,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:52,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:52,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:52,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:52,610 INFO L87 Difference]: Start difference. First operand 79 states and 103 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 10:57:52,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:52,623 INFO L93 Difference]: Finished difference Result 80 states and 104 transitions. [2024-12-02 10:57:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:52,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2024-12-02 10:57:52,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:52,624 INFO L225 Difference]: With dead ends: 80 [2024-12-02 10:57:52,625 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 10:57:52,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:52,625 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:52,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 153 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:52,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 10:57:52,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2024-12-02 10:57:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.22) internal successors, (61), 54 states have internal predecessors, (61), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2024-12-02 10:57:52,634 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 59 [2024-12-02 10:57:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:52,634 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2024-12-02 10:57:52,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 10:57:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2024-12-02 10:57:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 10:57:52,635 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:52,636 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-12-02 10:57:52,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:57:52,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 10:57:52,836 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:52,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1767587623, now seen corresponding path program 1 times [2024-12-02 10:57:52,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137788497] [2024-12-02 10:57:52,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 10:57:52,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:52,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137788497] [2024-12-02 10:57:52,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137788497] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:57:52,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761149366] [2024-12-02 10:57:52,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:52,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:52,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:57:52,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:57:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:53,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:57:53,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:57:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 10:57:53,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:57:53,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761149366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:53,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:57:53,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 10:57:53,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734659216] [2024-12-02 10:57:53,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:53,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:53,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:53,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:53,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:53,048 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:57:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:53,059 INFO L93 Difference]: Finished difference Result 73 states and 95 transitions. [2024-12-02 10:57:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:53,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2024-12-02 10:57:53,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:53,060 INFO L225 Difference]: With dead ends: 73 [2024-12-02 10:57:53,060 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 10:57:53,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:53,061 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:53,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:53,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 10:57:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-02 10:57:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.2) internal successors, (60), 53 states have internal predecessors, (60), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2024-12-02 10:57:53,069 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 66 [2024-12-02 10:57:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:53,070 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2024-12-02 10:57:53,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:57:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2024-12-02 10:57:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 10:57:53,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:53,071 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-12-02 10:57:53,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:57:53,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:53,272 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:53,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:53,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1039358388, now seen corresponding path program 1 times [2024-12-02 10:57:53,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:53,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876210677] [2024-12-02 10:57:53,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:53,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 10:57:53,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:53,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876210677] [2024-12-02 10:57:53,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876210677] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:57:53,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415240024] [2024-12-02 10:57:53,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:53,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:53,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:53,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:57:53,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:57:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:53,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:57:53,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:57:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 10:57:53,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:57:53,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415240024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:53,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:57:53,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 10:57:53,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311120788] [2024-12-02 10:57:53,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:53,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:53,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:53,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:53,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:53,463 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:57:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:53,475 INFO L93 Difference]: Finished difference Result 78 states and 100 transitions. [2024-12-02 10:57:53,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:53,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-12-02 10:57:53,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:53,476 INFO L225 Difference]: With dead ends: 78 [2024-12-02 10:57:53,476 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 10:57:53,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:53,477 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:53,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:53,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 10:57:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-02 10:57:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.18) internal successors, (59), 53 states have internal predecessors, (59), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:57:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2024-12-02 10:57:53,486 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 67 [2024-12-02 10:57:53,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:53,486 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2024-12-02 10:57:53,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:57:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2024-12-02 10:57:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 10:57:53,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:53,487 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 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] [2024-12-02 10:57:53,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 10:57:53,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 10:57:53,688 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 10:57:53,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:53,688 INFO L85 PathProgramCache]: Analyzing trace with hash -359300018, now seen corresponding path program 1 times [2024-12-02 10:57:53,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:53,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331679166] [2024-12-02 10:57:53,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:53,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 10:57:53,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:53,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331679166] [2024-12-02 10:57:53,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331679166] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:57:53,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844327632] [2024-12-02 10:57:53,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:57:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:57:53,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:57:53,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 10:57:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:53,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:57:53,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:57:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 10:57:53,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:57:53,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844327632] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:53,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:57:53,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 10:57:53,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688196227] [2024-12-02 10:57:53,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:53,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:53,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:53,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:53,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:53,876 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:57:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:53,885 INFO L93 Difference]: Finished difference Result 72 states and 93 transitions. [2024-12-02 10:57:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:53,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-12-02 10:57:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:53,886 INFO L225 Difference]: With dead ends: 72 [2024-12-02 10:57:53,886 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 10:57:53,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:57:53,887 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:53,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:57:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 10:57:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 10:57:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:57:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 10:57:53,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-12-02 10:57:53,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:53,888 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:57:53,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:57:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:57:53,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 10:57:53,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 10:57:53,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 10:57:53,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 10:57:53,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 10:57:53,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 10:57:53,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 10:57:53,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 10:57:53,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 10:57:53,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 10:57:54,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 10:57:54,097 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:57:54,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 10:57:54,203 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:57:54,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:57:54 BoogieIcfgContainer [2024-12-02 10:57:54,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:57:54,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:57:54,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:57:54,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:57:54,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:57:50" (3/4) ... [2024-12-02 10:57:54,213 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 10:57:54,218 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 10:57:54,218 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-12-02 10:57:54,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 10:57:54,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-12-02 10:57:54,223 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-02 10:57:54,223 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 10:57:54,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 10:57:54,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 10:57:54,325 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:57:54,325 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 10:57:54,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:57:54,326 INFO L158 Benchmark]: Toolchain (without parser) took 5375.77ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 115.4MB in the beginning and 386.7MB in the end (delta: -271.3MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2024-12-02 10:57:54,326 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:57:54,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1079.87ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 105.8MB in the end (delta: 9.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-02 10:57:54,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.51ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:57:54,327 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:57:54,328 INFO L158 Benchmark]: RCFGBuilder took 372.56ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 85.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:57:54,328 INFO L158 Benchmark]: TraceAbstraction took 3721.38ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 48.7MB in the end (delta: 35.8MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-12-02 10:57:54,328 INFO L158 Benchmark]: Witness Printer took 114.85ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 48.7MB in the beginning and 386.7MB in the end (delta: -338.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-12-02 10:57:54,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1079.87ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 105.8MB in the end (delta: 9.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.51ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.56ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 85.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3721.38ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 48.7MB in the end (delta: 35.8MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 114.85ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 48.7MB in the beginning and 386.7MB in the end (delta: -338.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 1874 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 932 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 942 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 13 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 900 NumberOfCodeBlocks, 900 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 883 ConstructedInterpolants, 0 QuantifiedInterpolants, 1077 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1138 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 493/517 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 10:57:54,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a565a2da-b48c-4e68-ac7d-2f7c9fe89ae0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE