./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.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_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/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_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/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_3892f79c-e79d-46b3-946a-f7fa3c143587/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 baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:29:46,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:46,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:47,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:47,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:47,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:47,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:47,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:47,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:47,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:47,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:47,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:47,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:47,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:47,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:47,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:47,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:47,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:47,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:47,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:47,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:47,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:47,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:47,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:47,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:47,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:47,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:47,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:47,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:47,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:47,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:47,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:47,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:47,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:47,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:47,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:47,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:47,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:47,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:47,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:47,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:47,133 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:47,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:47,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:47,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:47,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:47,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:47,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:47,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:47,165 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:47,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:47,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:47,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:47,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:47,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:47,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:47,167 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:47,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:47,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:47,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:47,167 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:47,168 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:47,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:47,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:47,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:47,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:47,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:47,169 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:47,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:47,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:47,170 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_3892f79c-e79d-46b3-946a-f7fa3c143587/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c [2022-10-17 16:29:47,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:47,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:47,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:47,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:47,492 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:47,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2022-10-17 16:29:47,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/data/d83db212a/e7c1f053a3734c99b6f148e4d459f558/FLAGab2a64752 [2022-10-17 16:29:48,032 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:48,032 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2022-10-17 16:29:48,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/data/d83db212a/e7c1f053a3734c99b6f148e4d459f558/FLAGab2a64752 [2022-10-17 16:29:48,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/data/d83db212a/e7c1f053a3734c99b6f148e4d459f558 [2022-10-17 16:29:48,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:48,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:48,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:48,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:48,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:48,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3370d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48, skipping insertion in model container [2022-10-17 16:29:48,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:48,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:48,664 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_3892f79c-e79d-46b3-946a-f7fa3c143587/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2022-10-17 16:29:48,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:48,693 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:48,704 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_3892f79c-e79d-46b3-946a-f7fa3c143587/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2022-10-17 16:29:48,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:48,723 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:48,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48 WrapperNode [2022-10-17 16:29:48,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:48,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:48,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:48,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:48,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,758 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:29:48,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:48,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:48,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:48,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:48,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:48,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:48,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:48,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:48,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:48,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:48,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:48,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3892f79c-e79d-46b3-946a-f7fa3c143587/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:29:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:29:48,936 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:48,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:49,076 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:49,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:49,093 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:29:49,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:49 BoogieIcfgContainer [2022-10-17 16:29:49,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:49,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:49,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:49,118 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:49,118 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:49" (1/1) ... [2022-10-17 16:29:49,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:29:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:29:49,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:29:49,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:49,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:49,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:29:49,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:49,465 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 16:29:49,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:49,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:29:49,483 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:29:49,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:49,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:49,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:49,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:29:49,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:49,647 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 16:29:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:29:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:29:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:49,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:49,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:29:49,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:49,921 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 16:29:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:29:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:29:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:50,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:50,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:29:50,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:29:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:29:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:50,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:50,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:50,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:29:50,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-10-17 16:29:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:29:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:52,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:52,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:52,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:29:52,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 16:29:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:29:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:52,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:52,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:29:52,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2022-10-17 16:29:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-10-17 16:29:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:53,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:53,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:53,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:29:53,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2022-10-17 16:29:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2022-10-17 16:29:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:55,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:55,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:55,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:29:55,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2022-10-17 16:29:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2022-10-17 16:29:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:56,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:56,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:56,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:29:56,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:29:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2022-10-17 16:29:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2022-10-17 16:29:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:57,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:57,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:57,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:29:57,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2022-10-17 16:29:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2022-10-17 16:29:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:57,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:57,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:57,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:29:57,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:29:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2022-10-17 16:29:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2022-10-17 16:29:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:29:58,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:58,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:58,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:29:58,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 121 transitions. [2022-10-17 16:30:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2022-10-17 16:30:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:00,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:00,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:00,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:30:00,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:00,945 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:30:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2022-10-17 16:30:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2022-10-17 16:30:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:01,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:01,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:01,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:30:01,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2022-10-17 16:30:04,316 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2022-10-17 16:30:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:04,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:04,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:04,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:30:04,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:30:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 158 transitions. [2022-10-17 16:30:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 158 transitions. [2022-10-17 16:30:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:05,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:05,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:05,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:30:05,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2022-10-17 16:30:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2022-10-17 16:30:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:06,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:06,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:06,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:30:06,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2022-10-17 16:30:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2022-10-17 16:30:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:07,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:07,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:30:07,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2022-10-17 16:30:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2022-10-17 16:30:07,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:07,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:07,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:07,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:30:07,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:30:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 80 states and 174 transitions. [2022-10-17 16:30:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 174 transitions. [2022-10-17 16:30:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:10,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:10,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:30:10,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:30:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2022-10-17 16:30:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2022-10-17 16:30:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:12,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:12,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:12,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 91 states and 213 transitions. [2022-10-17 16:30:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 213 transitions. [2022-10-17 16:30:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:15,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:15,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:30:15,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:30:18,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 94 states and 216 transitions. [2022-10-17 16:30:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 216 transitions. [2022-10-17 16:30:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:18,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:18,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:18,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:18,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 94 states and 215 transitions. [2022-10-17 16:30:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 215 transitions. [2022-10-17 16:30:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:18,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:18,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:30:18,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:30:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2022-10-17 16:30:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2022-10-17 16:30:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:20,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:20,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:20,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 215 transitions. [2022-10-17 16:30:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 215 transitions. [2022-10-17 16:30:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:30:21,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:21,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:30:21,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:21,516 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.