./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/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_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/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_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/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 a2e0d3ed79ba62190a0b501c090bc81fd178363cb7e6ce8cbe0996ce655e2ac6 --- 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 [2022-12-14 19:24:03,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:24:03,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:24:03,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:24:03,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:24:03,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:24:03,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:24:03,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:24:03,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:24:03,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:24:03,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:24:03,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:24:03,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:24:03,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:24:03,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:24:03,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:24:03,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:24:03,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:24:03,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:24:03,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:24:03,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:24:03,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:24:03,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:24:03,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:24:03,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:24:03,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:24:03,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:24:03,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:24:03,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:24:03,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:24:03,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:24:03,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:24:03,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:24:03,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:24:03,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:24:03,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:24:03,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:24:03,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:24:03,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:24:03,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:24:03,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:24:03,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:24:03,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:24:03,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:24:03,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:24:03,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:24:03,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:24:03,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:24:03,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:24:03,767 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:24:03,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:24:03,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:24:03,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:24:03,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:24:03,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:24:03,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:24:03,768 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:24:03,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:24:03,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:24:03,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:24:03,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:24:03,768 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:24:03,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:24:03,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:24:03,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:24:03,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:24:03,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:24:03,770 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:24:03,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:24:03,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:24:03,770 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_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e0d3ed79ba62190a0b501c090bc81fd178363cb7e6ce8cbe0996ce655e2ac6 [2022-12-14 19:24:03,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:24:03,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:24:03,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:24:03,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:24:03,957 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:24:03,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c [2022-12-14 19:24:06,580 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:24:06,746 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:24:06,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c [2022-12-14 19:24:06,753 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/data/a76f8316a/72edc398180044f9b0a1e3cc5d84631e/FLAG0215ec021 [2022-12-14 19:24:06,767 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/data/a76f8316a/72edc398180044f9b0a1e3cc5d84631e [2022-12-14 19:24:06,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:24:06,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:24:06,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:24:06,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:24:06,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:24:06,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:24:06" (1/1) ... [2022-12-14 19:24:06,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0fabe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:06, skipping insertion in model container [2022-12-14 19:24:06,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:24:06" (1/1) ... [2022-12-14 19:24:06,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:24:06,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:24:06,937 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_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c[525,538] [2022-12-14 19:24:06,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:24:06,970 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:24:06,978 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_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c[525,538] [2022-12-14 19:24:06,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:24:07,001 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:24:07,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07 WrapperNode [2022-12-14 19:24:07,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:24:07,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:24:07,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:24:07,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:24:07,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,029 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-14 19:24:07,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:24:07,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:24:07,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:24:07,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:24:07,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:24:07,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:24:07,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:24:07,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:24:07,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:24:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:24:07,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:24:07,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d12f8be-f0f4-43f2-86a5-c44e9c3a38a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:24:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:24:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 19:24:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 19:24:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:24:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:24:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:24:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:24:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:24:07,158 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:24:07,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:24:07,320 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:24:07,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:24:07,350 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 19:24:07,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:07 BoogieIcfgContainer [2022-12-14 19:24:07,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:24:07,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:24:07,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:24:07,359 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:24:07,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:07" (1/1) ... [2022-12-14 19:24:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:24:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-14 19:24:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-14 19:24:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:24:07,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:07,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:07,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 19:24:07,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 19:24:07,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 19:24:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:24:07,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:07,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:18,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-14 19:24:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 19:24:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:24:18,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:18,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2022-12-14 19:24:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2022-12-14 19:24:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:24:18,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:18,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:19,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 19:24:19,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2022-12-14 19:24:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-12-14 19:24:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:24:19,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:19,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2022-12-14 19:24:20,708 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2022-12-14 19:24:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:24:20,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:20,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:20,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 19:24:20,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2022-12-14 19:24:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2022-12-14 19:24:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:24:21,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:21,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:21,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:24:21,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:24:32,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:42,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2022-12-14 19:24:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-12-14 19:24:42,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:24:42,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:42,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 19:24:42,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:24:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 77 transitions. [2022-12-14 19:24:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2022-12-14 19:24:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:24:42,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:42,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:42,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 19:24:42,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:25:00,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:25:06,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:25:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:25:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 85 transitions. [2022-12-14 19:25:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2022-12-14 19:25:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:25:06,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:25:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:25:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:25:06,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:25:06,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:25:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:25:31,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:25:42,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:25:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:25:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2022-12-14 19:25:42,176 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-12-14 19:25:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:25:42,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:25:42,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:25:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:25:42,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:25:42,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:25:58,580 WARN L233 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:26:20,774 WARN L233 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:40,000 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:26:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 97 transitions. [2022-12-14 19:26:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2022-12-14 19:26:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 19:26:46,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:26:46,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:26:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:26:46,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:26:46,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:26:57,520 WARN L233 SmtUtils]: Spent 10.91s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:28:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 19:28:48,428 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:29:44,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:29:54,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:29:56,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:29:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 55 states and 103 transitions. [2022-12-14 19:29:56,686 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2022-12-14 19:29:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:29:56,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:56,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:56,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 19:29:56,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:31:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 19:32:43,499 WARN L233 SmtUtils]: Spent 26.05s on a formula simplification. DAG size of input: 22 DAG size of output: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:33:19,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:35:17,800 WARN L233 SmtUtils]: Spent 24.17s on a formula simplification. DAG size of input: 31 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:38:15,382 WARN L233 SmtUtils]: Spent 11.25s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:38:26,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:38:26,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 57 states and 107 transitions. [2022-12-14 19:38:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2022-12-14 19:38:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:38:26,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:26,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 19:38:26,259 INFO L286 TraceCheckSpWp]: Computing forward predicates...