./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:59:55,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:55,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:55,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:55,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:55,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:55,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:55,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:55,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:55,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:55,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:55,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:55,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:55,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:55,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:55,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:55,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:55,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:55,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:55,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:55,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:55,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:55,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:55,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:55,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:55,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:55,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:55,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:55,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:55,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:55,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:55,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:55,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:55,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:55,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:55,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:55,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:55,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:55,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:55,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:55,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:55,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:55,881 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:55,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:55,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:55,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:55,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:55,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:55,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:55,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:55,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:55,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:55,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:55,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:55,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:55,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:55,889 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:55,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:55,889 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:55,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:55,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:55,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:55,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:55,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:55,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:55,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:55,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:55,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:55,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:55,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:55,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e [2022-10-17 16:59:56,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:56,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:56,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:56,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:56,258 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:56,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2022-10-17 16:59:56,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/data/aaca466bf/eaefe4b42fd444d48905d859a1becf8b/FLAG1df65173c [2022-10-17 16:59:56,780 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:56,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2022-10-17 16:59:56,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/data/aaca466bf/eaefe4b42fd444d48905d859a1becf8b/FLAG1df65173c [2022-10-17 16:59:57,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/data/aaca466bf/eaefe4b42fd444d48905d859a1becf8b [2022-10-17 16:59:57,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:57,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:57,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:57,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:57,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:57,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f843fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57, skipping insertion in model container [2022-10-17 16:59:57,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:57,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:57,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c[489,502] [2022-10-17 16:59:57,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:57,373 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:57,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c[489,502] [2022-10-17 16:59:57,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:57,422 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:57,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57 WrapperNode [2022-10-17 16:59:57,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:57,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:57,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:57,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:57,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,473 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-10-17 16:59:57,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:57,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:57,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:57,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:57,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:57,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:57,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:57,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:57,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:57,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:57,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:57,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:59:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:59:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:59:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:59:57,647 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:57,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:57,844 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:57,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:57,921 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:59:57,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:57 BoogieIcfgContainer [2022-10-17 16:59:57,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:57,931 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:57,931 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:57,944 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:57,944 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:57" (1/1) ... [2022-10-17 16:59:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:59:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:59:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:58,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:58,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:59:58,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:59:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:58,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:58,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-10-17 16:59:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:59:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:58,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:58,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:59:58,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2022-10-17 16:59:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-10-17 16:59:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:59:59,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:59,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:59,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:59:59,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:00,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 59 transitions. [2022-10-17 17:00:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 17:00:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:00:00,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:00,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:00:00,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:00:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 70 transitions. [2022-10-17 17:00:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 17:00:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:00:01,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:01,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:01,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:00:01,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:00:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 72 transitions. [2022-10-17 17:00:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 17:00:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:00:01,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:01,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:01,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:00:01,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:00:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 49 states and 108 transitions. [2022-10-17 17:00:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 108 transitions. [2022-10-17 17:00:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:00:02,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:02,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:00:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:02,730 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2022-10-17 17:00:02,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:00:02 ImpRootNode [2022-10-17 17:00:02,812 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:00:02,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:00:02,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:00:02,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:00:02,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:57" (3/4) ... [2022-10-17 17:00:02,816 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:00:02,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:00:02,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:00:02,975 INFO L158 Benchmark]: Toolchain (without parser) took 5825.10ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 116.9MB in the end (delta: -46.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-10-17 17:00:02,976 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 65.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:02,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.59ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 67.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:00:02,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.93ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:02,978 INFO L158 Benchmark]: Boogie Preprocessor took 34.84ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 64.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:02,978 INFO L158 Benchmark]: RCFGBuilder took 417.93ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 52.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:00:02,979 INFO L158 Benchmark]: CodeCheck took 4881.63ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 52.1MB in the beginning and 120.1MB in the end (delta: -68.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:02,980 INFO L158 Benchmark]: Witness Printer took 161.70ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 116.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:02,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 324 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 195 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 652 IncrementalHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 195 mSolverCounterUnsat, 300 mSDtfsCounter, 652 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1349 GetRequests, 1255 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2566 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 348 SizeOfPredicates, 6 NumberOfNonLiveVariables, 455 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 61/63 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L18] int counter = 0; [L20] long long a, b, p, q, r, s; [L21] int x, y; [L22] x = __VERIFIER_nondet_int() [L23] y = __VERIFIER_nondet_int() [L24] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L24] RET assume_abort_if_not(x >= 1) VAL [counter=0, x=3, y=2] [L25] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, counter=0] [L8] COND FALSE !(!cond) [L25] RET assume_abort_if_not(y >= 1) VAL [counter=0, x=3, y=2] [L27] a = x [L28] b = y [L29] p = 1 [L30] q = 0 [L31] r = 0 [L32] s = 1 VAL [a=3, b=2, counter=0, p=1, q=0, r=0, s=1, x=3, y=2] [L34] EXPR counter++ VAL [a=3, b=2, counter=1, counter++=0, p=1, q=0, r=0, s=1, x=3, y=2] [L34] COND TRUE counter++<1 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=3, b=2, counter=1, p=1, q=0, r=0, s=1, x=3, y=2] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=3, b=2, counter=1, p=1, q=0, r=0, s=1, x=3, y=2] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=3, b=2, counter=1, p=1, q=0, r=0, s=1, x=3, y=2] [L39] COND FALSE !(!(a != b)) [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [a=1, b=2, counter=1, p=1, q=0, r=-1, s=1, x=3, y=2] [L34] EXPR counter++ VAL [a=1, b=2, counter=2, counter++=1, p=1, q=0, r=-1, s=1, x=3, y=2] [L34] COND FALSE !(counter++<1) [L53] CALL __VERIFIER_assert(a - b == 0) VAL [\old(cond)=0, counter=2] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=2] [L13] reach_error() VAL [\old(cond)=0, cond=0, counter=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 65.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.59ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 67.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.93ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.84ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 64.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.93ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 52.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4881.63ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 52.1MB in the beginning and 120.1MB in the end (delta: -68.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 161.70ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 116.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:00:03,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461efb41-c3ae-4bcd-a7ef-02139a876fd1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE