./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:46,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:46,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:46,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:46,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:46,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:46,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:46,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:46,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:46,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:46,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:46,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:46,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:46,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:46,845 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:46,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:46,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:46,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:46,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:46,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:46,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:46,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:46,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:46,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:46,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:46,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:46,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:46,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:46,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:46,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:46,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:46,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:46,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:46,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:46,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:46,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:46,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:46,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:46,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:46,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:46,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:46,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:46,857 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:47,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:47,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:47,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:47,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:47,132 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:47,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-12 16:48:48,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:48,742 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:48,743 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-12 16:48:48,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9010498eb/ab4409f482894cd1895f61809304c770/FLAG8d27dcbc2 [2024-09-12 16:48:49,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9010498eb/ab4409f482894cd1895f61809304c770 [2024-09-12 16:48:49,137 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:49,138 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:49,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-12 16:48:49,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:49,193 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:49,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:49,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:49,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:49,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:49" (1/2) ... [2024-09-12 16:48:49,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acf7ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:49, skipping insertion in model container [2024-09-12 16:48:49,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:49" (1/2) ... [2024-09-12 16:48:49,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4623af64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:49, skipping insertion in model container [2024-09-12 16:48:49,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:49" (2/2) ... [2024-09-12 16:48:49,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acf7ff2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49, skipping insertion in model container [2024-09-12 16:48:49,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:49" (2/2) ... [2024-09-12 16:48:49,214 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:49,215 INFO L1541 ArrayList]: Location invariant before [L16-L147] (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 2)) || (((((((((\old(__tmp_28_0) == __tmp_28_0) && (\old(__return_65) == __return_65)) && (\old(__tmp_31_0) == __tmp_31_0)) && (main__x <= 2147483647)) && (0 <= (2147483648 + main__x))) && (\old(__tmp_22_1) == __tmp_22_1)) && (\old(__tmp_25_1) == __tmp_25_1)) && (\old(__tmp_25_0) == __tmp_25_0)) && (\old(__tmp_22_0) == __tmp_22_0))) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -5) + main__x) / 3) * 4294967296) + 7158278826))) [2024-09-12 16:48:49,215 INFO L1541 ArrayList]: Location invariant before [L24-L141] (((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) == main__x)) && (((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) == main__x)) [2024-09-12 16:48:49,215 INFO L1541 ArrayList]: Location invariant before [L35-L140] (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 2)) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -5) + main__x) / 3) * 4294967296) + 7158278826)))) && (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -4) + main__x) / 3) * 4294967296) + 5726623061)))) [2024-09-12 16:48:49,216 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) == main__x) [2024-09-12 16:48:49,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:49,414 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2024-09-12 16:48:49,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:49,441 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:49,463 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:49,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:49,548 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:49,549 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49 WrapperNode [2024-09-12 16:48:49,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:49,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:49,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:49,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:49,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,648 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-12 16:48:49,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:49,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:49,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:49,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:49,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (1/1) ... [2024-09-12 16:48:49,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:49,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:49,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:48:49,718 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:48:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:48:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 16:48:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 16:48:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:49,827 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:49,830 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:51,422 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:51,422 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:51,467 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:51,468 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:51,469 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:51 BoogieIcfgContainer [2024-09-12 16:48:51,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:51,470 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:51,470 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:51,471 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:51,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:49" (1/4) ... [2024-09-12 16:48:51,472 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a0c20de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:51, skipping insertion in model container [2024-09-12 16:48:51,472 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:49" (2/4) ... [2024-09-12 16:48:51,473 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a0c20de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:51, skipping insertion in model container [2024-09-12 16:48:51,473 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:49" (3/4) ... [2024-09-12 16:48:51,473 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a0c20de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:51, skipping insertion in model container [2024-09-12 16:48:51,473 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:51" (4/4) ... [2024-09-12 16:48:51,474 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-12 16:48:51,478 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:51,479 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-12 16:48:51,480 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-12 16:48:51,480 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 1 edges. [2024-09-12 16:48:51,480 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-12 16:48:51,480 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-12 16:48:51,481 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:51,540 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 27 edges [2024-09-12 16:48:51,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:51,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:51,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:51,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:51,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:51,682 INFO L101 BaseMinimizeStates]: Removed 63 edges and 17 locations by large block encoding [2024-09-12 16:48:51,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:51,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:51,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:51,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:51,742 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:48:51,774 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 27 edges [2024-09-12 16:48:51,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:51,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:51,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:51,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:51,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:51,885 INFO L101 BaseMinimizeStates]: Removed 63 edges and 17 locations by large block encoding [2024-09-12 16:48:51,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:51,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:51,886 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:51,886 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:51,908 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:48:51,925 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-12 16:48:51,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:51,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:51,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:51,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:51,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:51,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:51,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:51,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:51,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:51,946 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:51,971 INFO L314 BlockEncoder]: Initial Icfg 24 locations, 30 edges [2024-09-12 16:48:51,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:51,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:51,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:51,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:51,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,058 INFO L101 BaseMinimizeStates]: Removed 69 edges and 20 locations by large block encoding [2024-09-12 16:48:52,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:52,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:52,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:52,112 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:48:52,138 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 27 edges [2024-09-12 16:48:52,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:52,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:52,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:52,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:52,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,289 INFO L101 BaseMinimizeStates]: Removed 65 edges and 17 locations by large block encoding [2024-09-12 16:48:52,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:52,291 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:52,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:52,330 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-12 16:48:52,332 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:48:52,337 INFO L158 Benchmark]: Toolchain (without parser) took 3143.78ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 106.1MB in the beginning and 169.6MB in the end (delta: -63.6MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,338 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 135.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:52,340 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:52,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.48ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 90.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,342 INFO L158 Benchmark]: Boogie Preprocessor took 125.76ms. Allocated memory is still 176.2MB. Free memory was 90.8MB in the beginning and 148.1MB in the end (delta: -57.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,343 INFO L158 Benchmark]: RCFGBuilder took 1792.89ms. Allocated memory is still 176.2MB. Free memory was 148.1MB in the beginning and 97.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,344 INFO L158 Benchmark]: Referee took 866.24ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 97.8MB in the beginning and 169.6MB in the end (delta: -71.9MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 135.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.48ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 90.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.76ms. Allocated memory is still 176.2MB. Free memory was 90.8MB in the beginning and 148.1MB in the end (delta: -57.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1792.89ms. Allocated memory is still 176.2MB. Free memory was 148.1MB in the beginning and 97.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Referee took 866.24ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 97.8MB in the beginning and 169.6MB in the end (delta: -71.9MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:52,381 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:54,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:54,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:54,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:54,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:54,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:54,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:54,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:54,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:54,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:54,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:54,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:54,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:54,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:54,757 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:54,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:54,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:54,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:54,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:54,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:54,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:54,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:54,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:54,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:54,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:54,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:54,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:54,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:54,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:54,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:54,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:54,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:54,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:54,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:54,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:54,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:54,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:54,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:54,764 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:54,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:54,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:54,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:54,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:54,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:54,765 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:54,766 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:55,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:55,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:55,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:55,090 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:55,091 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:55,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-12 16:48:55,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:55,150 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:55,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-12 16:48:56,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:56,865 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:56,866 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-12 16:48:56,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6ad237b8f/73f4bf83308947e98369cfe4c87858d1/FLAGe800dcf6a [2024-09-12 16:48:57,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6ad237b8f/73f4bf83308947e98369cfe4c87858d1 [2024-09-12 16:48:57,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:57,252 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:57,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:57,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:57,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:57,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:55" (1/2) ... [2024-09-12 16:48:57,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5386dbcd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57, skipping insertion in model container [2024-09-12 16:48:57,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:55" (1/2) ... [2024-09-12 16:48:57,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@558c2a59 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57, skipping insertion in model container [2024-09-12 16:48:57,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:57" (2/2) ... [2024-09-12 16:48:57,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5386dbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57, skipping insertion in model container [2024-09-12 16:48:57,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:57" (2/2) ... [2024-09-12 16:48:57,276 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:57,276 INFO L1541 ArrayList]: Location invariant before [L16-L147] (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 2)) || (((((((((\old(__tmp_28_0) == __tmp_28_0) && (\old(__return_65) == __return_65)) && (\old(__tmp_31_0) == __tmp_31_0)) && (main__x <= 2147483647)) && (0 <= (2147483648 + main__x))) && (\old(__tmp_22_1) == __tmp_22_1)) && (\old(__tmp_25_1) == __tmp_25_1)) && (\old(__tmp_25_0) == __tmp_25_0)) && (\old(__tmp_22_0) == __tmp_22_0))) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -5) + main__x) / 3) * 4294967296) + 7158278826))) [2024-09-12 16:48:57,276 INFO L1541 ArrayList]: Location invariant before [L24-L141] (((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) == main__x)) && (((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) == main__x)) [2024-09-12 16:48:57,277 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) == main__x) [2024-09-12 16:48:57,277 INFO L1541 ArrayList]: Location invariant before [L35-L140] (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 2)) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -5) + main__x) / 3) * 4294967296) + 7158278826)))) && (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -4) + main__x) / 3) * 4294967296) + 5726623061)))) [2024-09-12 16:48:57,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:57,449 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2024-09-12 16:48:57,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:57,475 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:57,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:57,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:57,570 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:57,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57 WrapperNode [2024-09-12 16:48:57,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:57,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:57,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:57,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:57,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,619 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-12 16:48:57,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:57,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:57,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:57,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:57,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:57,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:57,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:48:57,686 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:48:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 16:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 16:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 16:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:57,822 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:57,824 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:02,345 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:02,346 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:02,417 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:02,421 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:49:02,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:02 BoogieIcfgContainer [2024-09-12 16:49:02,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:02,423 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:02,423 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:02,424 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:02,425 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:55" (1/4) ... [2024-09-12 16:49:02,426 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11260428 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:02, skipping insertion in model container [2024-09-12 16:49:02,426 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:57" (2/4) ... [2024-09-12 16:49:02,427 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11260428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:02, skipping insertion in model container [2024-09-12 16:49:02,427 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:57" (3/4) ... [2024-09-12 16:49:02,427 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11260428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:02, skipping insertion in model container [2024-09-12 16:49:02,428 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:02" (4/4) ... [2024-09-12 16:49:02,429 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-12 16:49:02,432 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:49:02,433 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-12 16:49:02,433 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-12 16:49:02,433 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 1 edges. [2024-09-12 16:49:02,433 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-12 16:49:02,433 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-12 16:49:02,434 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-09-12 16:49:02,514 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 27 edges [2024-09-12 16:49:02,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:02,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:02,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:02,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:02,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:02,638 INFO L101 BaseMinimizeStates]: Removed 63 edges and 17 locations by large block encoding [2024-09-12 16:49:02,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:02,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:02,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:02,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:02,661 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:49:02,689 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 27 edges [2024-09-12 16:49:02,689 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:02,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:02,690 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:02,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:02,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:02,784 INFO L101 BaseMinimizeStates]: Removed 63 edges and 17 locations by large block encoding [2024-09-12 16:49:02,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:02,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:02,785 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:02,785 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:02,801 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:49:02,824 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-12 16:49:02,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:02,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:02,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:02,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:02,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:02,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:02,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:02,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:02,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:06,859 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:06,883 INFO L314 BlockEncoder]: Initial Icfg 24 locations, 30 edges [2024-09-12 16:49:06,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:06,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:06,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:06,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:06,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:06,948 INFO L101 BaseMinimizeStates]: Removed 69 edges and 20 locations by large block encoding [2024-09-12 16:49:06,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:06,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:06,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:06,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:06,963 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:49:06,984 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 27 edges [2024-09-12 16:49:06,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:06,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:06,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:06,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:06,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:07,071 INFO L101 BaseMinimizeStates]: Removed 65 edges and 17 locations by large block encoding [2024-09-12 16:49:07,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:07,073 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:07,073 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:07,073 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:07,091 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-12 16:49:07,092 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:49:07,098 INFO L158 Benchmark]: Toolchain (without parser) took 9845.50ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 36.0MB in the beginning and 44.1MB in the end (delta: -8.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:07,099 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 41.9MB. Free memory was 23.6MB in the beginning and 23.5MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:07,099 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 41.9MB. Free memory was 21.3MB in the beginning and 21.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:07,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.81ms. Allocated memory is still 62.9MB. Free memory was 35.6MB in the beginning and 37.9MB in the end (delta: -2.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-12 16:49:07,101 INFO L158 Benchmark]: Boogie Preprocessor took 78.47ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:07,101 INFO L158 Benchmark]: RCFGBuilder took 4771.14ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 39.7MB in the end (delta: -4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:07,102 INFO L158 Benchmark]: Referee took 4673.69ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 44.1MB in the end (delta: -4.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:07,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 41.9MB. Free memory was 23.6MB in the beginning and 23.5MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 41.9MB. Free memory was 21.3MB in the beginning and 21.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.81ms. Allocated memory is still 62.9MB. Free memory was 35.6MB in the beginning and 37.9MB in the end (delta: -2.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.47ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4771.14ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 39.7MB in the end (delta: -4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4673.69ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 44.1MB in the end (delta: -4.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:07,143 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug