./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4 --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 a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 --- 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-2329fc7 [2022-12-15 03:36:37,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:36:37,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:36:37,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:36:37,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:36:37,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:36:37,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:36:37,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:36:38,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:36:38,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:36:38,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:36:38,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:36:38,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:36:38,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:36:38,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:36:38,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:36:38,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:36:38,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:36:38,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:36:38,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:36:38,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:36:38,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:36:38,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:36:38,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:36:38,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:36:38,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:36:38,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:36:38,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:36:38,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:36:38,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:36:38,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:36:38,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:36:38,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:36:38,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:36:38,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:36:38,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:36:38,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:36:38,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:36:38,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:36:38,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:36:38,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:36:38,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:36:38,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:36:38,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:36:38,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:36:38,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:36:38,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:36:38,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:36:38,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:36:38,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:36:38,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:36:38,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:36:38,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:36:38,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:36:38,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:36:38,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:36:38,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:36:38,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:36:38,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:36:38,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:36:38,052 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:36:38,052 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:36:38,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:36:38,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:36:38,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:36:38,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:36:38,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:36:38,053 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:36:38,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:36:38,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:36:38,053 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_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 [2022-12-15 03:36:38,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:36:38,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:36:38,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:36:38,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:36:38,239 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:36:38,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2022-12-15 03:36:40,756 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:36:40,927 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:36:40,928 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2022-12-15 03:36:40,932 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/data/5fbfb4d84/0d81920e6a424bc388492fddabb3bf76/FLAG46e1a7dd0 [2022-12-15 03:36:41,335 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/data/5fbfb4d84/0d81920e6a424bc388492fddabb3bf76 [2022-12-15 03:36:41,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:36:41,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:36:41,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:36:41,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:36:41,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:36:41,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6705c7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41, skipping insertion in model container [2022-12-15 03:36:41,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:36:41,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:36:41,459 WARN L237 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_b173e8c3-f44c-468b-8f70-a213667556c9/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c[535,548] [2022-12-15 03:36:41,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:36:41,480 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:36:41,489 WARN L237 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_b173e8c3-f44c-468b-8f70-a213667556c9/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c[535,548] [2022-12-15 03:36:41,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:36:41,505 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:36:41,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41 WrapperNode [2022-12-15 03:36:41,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:36:41,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:36:41,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:36:41,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:36:41,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,529 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-12-15 03:36:41,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:36:41,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:36:41,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:36:41,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:36:41,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:36:41,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:36:41,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:36:41,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:36:41,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:36:41,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:36:41,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:36:41,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:36:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:36:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:36:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:36:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:36:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:36:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:36:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:36:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:36:41,665 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:36:41,666 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:36:41,781 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:36:41,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:36:41,799 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 03:36:41,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:36:41 BoogieIcfgContainer [2022-12-15 03:36:41,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:36:41,801 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:36:41,801 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:36:41,808 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:36:41,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:36:41" (1/1) ... [2022-12-15 03:36:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:36:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-15 03:36:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-15 03:36:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:36:41,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:41,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:41,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 03:36:41,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-15 03:36:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 03:36:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:42,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:42,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:42,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 03:36:42,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2022-12-15 03:36:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2022-12-15 03:36:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:42,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:42,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:42,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-15 03:36:42,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-12-15 03:36:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-12-15 03:36:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:36:43,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:43,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 03:36:43,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2022-12-15 03:36:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-12-15 03:36:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:36:48,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:48,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:48,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 03:36:48,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2022-12-15 03:36:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2022-12-15 03:36:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:36:55,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:55,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 03:36:55,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2022-12-15 03:36:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2022-12-15 03:36:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:36:55,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:55,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:36:55,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:36:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:36:56,011 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-12-15 03:36:56,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:36:56 ImpRootNode [2022-12-15 03:36:56,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:36:56,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:36:56,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:36:56,033 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:36:56,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:36:41" (3/4) ... [2022-12-15 03:36:56,035 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 03:36:56,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:36:56,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:36:56,068 INFO L158 Benchmark]: Toolchain (without parser) took 14729.67ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 85.2MB in the beginning and 63.2MB in the end (delta: 22.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-12-15 03:36:56,068 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:36:56,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.71ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 74.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:36:56,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.97ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 72.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:36:56,069 INFO L158 Benchmark]: Boogie Preprocessor took 19.84ms. Allocated memory is still 119.5MB. Free memory was 72.6MB in the beginning and 71.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:36:56,070 INFO L158 Benchmark]: RCFGBuilder took 250.63ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 59.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 03:36:56,070 INFO L158 Benchmark]: CodeCheck took 14231.90ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 59.0MB in the beginning and 65.3MB in the end (delta: -6.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-12-15 03:36:56,071 INFO L158 Benchmark]: Witness Printer took 33.90ms. Allocated memory is still 163.6MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:36:56,074 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 516 IncrementalHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 161 mSolverCounterUnsat, 196 mSDtfsCounter, 516 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 870 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 6 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/18 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: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; [L21] int A, R; [L22] long long u, v, r; [L23] A = __VERIFIER_nondet_int() [L24] R = __VERIFIER_nondet_int() [L25] CALL assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L25] RET assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [A=5, counter=0, R=3] [L27] CALL assume_abort_if_not(A % 2 == 1) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L27] RET assume_abort_if_not(A % 2 == 1) VAL [A=5, counter=0, R=3] [L29] u = ((long long) 2 * R) + 1 [L30] v = 1 [L31] r = ((long long) R * R) - A VAL [A=5, counter=0, R=3, r=4, u=7, v=1] [L34] EXPR counter++ VAL [A=5, counter=1, counter++=0, R=3, r=4, u=7, v=1] [L34] COND TRUE counter++<1 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=5, counter=1, r=4, R=3, u=7, v=1] [L36] COND FALSE !(!(r != 0)) VAL [A=5, counter=1, r=4, R=3, u=7, v=1] [L39] EXPR counter++ VAL [A=5, counter=2, counter++=1, r=4, R=3, u=7, v=1] [L39] COND FALSE !(counter++<1) [L47] EXPR counter++ VAL [A=5, counter=3, counter++=2, R=3, r=4, u=7, v=1] [L47] COND FALSE !(counter++<1) [L34] EXPR counter++ VAL [A=5, counter=4, counter++=3, R=3, r=4, u=7, v=1] [L34] COND FALSE !(counter++<1) [L56] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=0, counter=4] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=4] [L14] reach_error() VAL [\old(cond)=0, cond=0, counter=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.71ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 74.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.97ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 72.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.84ms. Allocated memory is still 119.5MB. Free memory was 72.6MB in the beginning and 71.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.63ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 59.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14231.90ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 59.0MB in the beginning and 65.3MB in the end (delta: -6.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 33.90ms. Allocated memory is still 163.6MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 03:36:56,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b173e8c3-f44c-468b-8f70-a213667556c9/bin/ukojak-rkRKPMF4O4/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