./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.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_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/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_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/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_38b37b57-e460-4c4f-8667-c180e82a33e3/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 d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 --- 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 17:05:17,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:17,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:17,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:17,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:17,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:17,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:17,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:17,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:17,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:17,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:17,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:17,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:17,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:17,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:17,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:17,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:17,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:17,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:17,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:17,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:17,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:17,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:17,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:17,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:17,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:17,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:17,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:17,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:17,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:17,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:17,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:17,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:17,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:17,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:17,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:17,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:17,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:17,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:17,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:17,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:17,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:17,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:17,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:17,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:17,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:17,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:17,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:17,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:17,199 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:17,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:17,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:17,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:17,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:17,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:17,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:17,202 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:17,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:17,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:17,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:17,202 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:17,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:17,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:17,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:17,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:17,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:17,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:17,204 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:17,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:17,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:17,205 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_38b37b57-e460-4c4f-8667-c180e82a33e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 [2022-10-17 17:05:17,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:17,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:17,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:17,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:17,517 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:17,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2022-10-17 17:05:17,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/data/57ab7605c/76b9a63c5b584e86bca38b0a2752e8ce/FLAG3fde29e03 [2022-10-17 17:05:18,129 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:18,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2022-10-17 17:05:18,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/data/57ab7605c/76b9a63c5b584e86bca38b0a2752e8ce/FLAG3fde29e03 [2022-10-17 17:05:18,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/data/57ab7605c/76b9a63c5b584e86bca38b0a2752e8ce [2022-10-17 17:05:18,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:18,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:18,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:18,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:18,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:18,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bf7e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18, skipping insertion in model container [2022-10-17 17:05:18,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:18,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:18,740 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_38b37b57-e460-4c4f-8667-c180e82a33e3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c[588,601] [2022-10-17 17:05:18,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:18,804 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:18,819 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_38b37b57-e460-4c4f-8667-c180e82a33e3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c[588,601] [2022-10-17 17:05:18,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:18,844 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:18,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18 WrapperNode [2022-10-17 17:05:18,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:18,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:18,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:18,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:18,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,883 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 17:05:18,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:18,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:18,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:18,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:18,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:18,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:18,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:18,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:18,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:18,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:18,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:18,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b37b57-e460-4c4f-8667-c180e82a33e3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:05:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:05:19,053 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:19,055 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:19,242 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:19,288 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:19,289 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:19,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:19 BoogieIcfgContainer [2022-10-17 17:05:19,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:19,295 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:19,296 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:19,311 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:19,312 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:19" (1/1) ... [2022-10-17 17:05:19,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:19,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 17:05:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 17:05:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:05:19,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:19,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:19,958 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 17:05:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2022-10-17 17:05:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2022-10-17 17:05:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:05:20,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:20,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:20,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:20,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:20,417 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 17:05:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2022-10-17 17:05:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 17:05:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:20,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:20,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:20,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:20,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2022-10-17 17:05:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-10-17 17:05:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:05:21,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:21,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:21,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:05:21,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:05:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2022-10-17 17:05:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2022-10-17 17:05:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:21,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:21,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:21,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:21,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:05:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2022-10-17 17:05:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-10-17 17:05:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:05:21,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:21,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:21,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:21,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 17:05:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2022-10-17 17:05:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 17:05:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:05:22,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:22,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:22,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:22,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 17:05:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2022-10-17 17:05:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 17:05:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:05:23,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:23,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:05:23,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:05:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2022-10-17 17:05:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 17:05:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:05:24,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:24,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:24,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:05:24,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 17:05:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2022-10-17 17:05:25,097 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-10-17 17:05:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:05:25,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:25,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:25,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:05:25,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:05:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2022-10-17 17:05:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-10-17 17:05:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:05:25,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:25,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:25,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:25,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 17:05:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 101 transitions. [2022-10-17 17:05:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2022-10-17 17:05:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:05:26,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:26,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:26,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:26,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 17:05:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 100 transitions. [2022-10-17 17:05:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2022-10-17 17:05:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:05:26,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:26,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:05:26,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:05:28,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 106 transitions. [2022-10-17 17:05:28,499 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2022-10-17 17:05:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:05:28,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:28,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:05:28,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:05:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 112 transitions. [2022-10-17 17:05:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2022-10-17 17:05:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:05:29,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:29,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:29,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:05:29,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 17:05:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 115 transitions. [2022-10-17 17:05:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2022-10-17 17:05:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:05:30,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:30,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:30,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:05:30,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 17:05:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 122 transitions. [2022-10-17 17:05:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-10-17 17:05:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:05:32,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:05:32,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 17:05:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 67 states and 127 transitions. [2022-10-17 17:05:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2022-10-17 17:05:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:05:32,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:05:32,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 17:05:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 129 transitions. [2022-10-17 17:05:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-10-17 17:05:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:33,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:33,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:33,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-10-17 17:05:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 70 states and 132 transitions. [2022-10-17 17:05:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2022-10-17 17:05:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:34,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:34,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:34,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:05:34,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 17:05:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 71 states and 135 transitions. [2022-10-17 17:05:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-10-17 17:05:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 17:05:35,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:35,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:35,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:35,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-17 17:05:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 73 states and 138 transitions. [2022-10-17 17:05:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2022-10-17 17:05:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 17:05:37,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:37,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:37,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:37,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-10-17 17:05:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 73 states and 137 transitions. [2022-10-17 17:05:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-10-17 17:05:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 17:05:37,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:37,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:37,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:05:37,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 17:05:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 76 states and 143 transitions. [2022-10-17 17:05:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2022-10-17 17:05:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 17:05:40,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:05:40,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 17:05:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 149 transitions. [2022-10-17 17:05:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2022-10-17 17:05:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 17:05:42,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:05:42,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 17:05:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 80 states and 152 transitions. [2022-10-17 17:05:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2022-10-17 17:05:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 17:05:44,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:44,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:05:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 17:05:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 84 states and 159 transitions. [2022-10-17 17:05:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2022-10-17 17:05:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 17:05:46,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:46,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:05:46,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 17:05:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 86 states and 163 transitions. [2022-10-17 17:05:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 17:05:47,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 17:05:47,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:47,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:48,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:05:48,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 17:05:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 87 states and 165 transitions. [2022-10-17 17:05:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2022-10-17 17:05:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 17:05:49,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:49,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:49,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:05:49,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked.