./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.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_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/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_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/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_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/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 49ad15a378f82eb46c5309a80aca8c6c5eb2b292a6d759bef0e14aac07d4d52c --- 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 17:02:22,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:22,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:23,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:23,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:23,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:23,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:23,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:23,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:23,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:23,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:23,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:23,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:23,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:23,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:23,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:23,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:23,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:23,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:23,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:23,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:23,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:23,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:23,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:23,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:23,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:23,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:23,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:23,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:23,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:23,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:23,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:23,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:23,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:23,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:23,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:23,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:23,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:23,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:23,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:23,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:23,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:23,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:23,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:23,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:23,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:23,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:23,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:23,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:23,169 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:23,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:23,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:23,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:23,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:23,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:23,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:23,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:23,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:23,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:23,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:23,173 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:23,173 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:23,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:23,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:23,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:23,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:23,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:23,174 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:23,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:23,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:23,175 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_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49ad15a378f82eb46c5309a80aca8c6c5eb2b292a6d759bef0e14aac07d4d52c [2022-10-17 17:02:23,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:23,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:23,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:23,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:23,477 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:23,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2022-10-17 17:02:23,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/data/c72b2de26/e83b83bd6cad4b8e99308fa8e75e15fa/FLAG2b5e4c74b [2022-10-17 17:02:23,983 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:23,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2022-10-17 17:02:23,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/data/c72b2de26/e83b83bd6cad4b8e99308fa8e75e15fa/FLAG2b5e4c74b [2022-10-17 17:02:24,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/data/c72b2de26/e83b83bd6cad4b8e99308fa8e75e15fa [2022-10-17 17:02:24,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:24,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:24,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:24,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:24,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:24,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad35963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24, skipping insertion in model container [2022-10-17 17:02:24,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:24,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:24,627 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_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c[537,550] [2022-10-17 17:02:24,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:24,659 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:24,669 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_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c[537,550] [2022-10-17 17:02:24,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:24,691 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:24,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24 WrapperNode [2022-10-17 17:02:24,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:24,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:24,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:24,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:24,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,724 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 17:02:24,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:24,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:24,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:24,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:24,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,757 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:24,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:24,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:24,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:24,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:24" (1/1) ... [2022-10-17 17:02:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:24,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:24,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:24,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1a443c-6f75-4eb9-ab6f-c4ee138e0da1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:02:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:02:24,923 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:24,925 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:25,057 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:25,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:25,154 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:25,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:25 BoogieIcfgContainer [2022-10-17 17:02:25,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:25,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:25,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:25,169 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:25,169 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:25" (1/1) ... [2022-10-17 17:02:25,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 17:02:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 17:02:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:25,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 17:02:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 17:02:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:25,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 17:02:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 17:02:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:25,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 17:02:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 17:02:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:26,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:02:26,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2022-10-17 17:02:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2022-10-17 17:02:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:26,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:02:26,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 17:02:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 17:02:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:31,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:31,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:02:31,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 80 transitions. [2022-10-17 17:02:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 80 transitions. [2022-10-17 17:02:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:32,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:02:32,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:42,948 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-17 17:02:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2022-10-17 17:02:43,812 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2022-10-17 17:02:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:02:43,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:02:43,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 91 transitions. [2022-10-17 17:02:45,237 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 91 transitions. [2022-10-17 17:02:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:45,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:02:45,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:59,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 17:02:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 47 states and 106 transitions. [2022-10-17 17:02:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 106 transitions. [2022-10-17 17:02:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:59,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:02:59,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 55 states and 142 transitions. [2022-10-17 17:03:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 142 transitions. [2022-10-17 17:03:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:03:02,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:02,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:03:02,793 INFO L286 TraceCheckSpWp]: Computing forward predicates...