./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.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_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/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_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/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_88c2b1c8-5f96-43fd-a075-8f0837a5705b/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 82dba59912342fc33baf6f71838a6b7d05440c02338f64f7b1e8151e293c49a7 --- 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 16:52:54,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:54,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:54,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:54,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:54,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:54,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:54,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:54,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:54,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:55,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:55,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:55,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:55,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:55,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:55,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:55,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:55,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:55,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:55,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:55,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:55,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:55,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:55,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:55,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:55,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:55,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:55,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:55,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:55,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:55,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:55,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:55,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:55,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:55,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:55,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:55,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:55,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:55,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:55,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:55,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:55,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:52:55,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:55,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:55,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:55,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:55,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:55,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:55,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:55,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:55,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:55,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:55,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:55,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:55,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:55,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:55,099 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:55,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:55,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:55,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:55,100 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:55,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:55,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:55,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:55,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:55,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:55,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:55,102 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:55,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:55,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:55,103 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_88c2b1c8-5f96-43fd-a075-8f0837a5705b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82dba59912342fc33baf6f71838a6b7d05440c02338f64f7b1e8151e293c49a7 [2022-10-17 16:52:55,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:55,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:55,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:55,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:55,390 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:55,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2022-10-17 16:52:55,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/data/0814b2440/09b2fa9d1e2240a18b5f2ae605a3dd05/FLAGd2666a355 [2022-10-17 16:52:55,877 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:55,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2022-10-17 16:52:55,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/data/0814b2440/09b2fa9d1e2240a18b5f2ae605a3dd05/FLAGd2666a355 [2022-10-17 16:52:56,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/data/0814b2440/09b2fa9d1e2240a18b5f2ae605a3dd05 [2022-10-17 16:52:56,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:56,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:56,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:56,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:56,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:56,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f94b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56, skipping insertion in model container [2022-10-17 16:52:56,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:56,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:56,497 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_88c2b1c8-5f96-43fd-a075-8f0837a5705b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c[454,467] [2022-10-17 16:52:56,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:56,518 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:56,531 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_88c2b1c8-5f96-43fd-a075-8f0837a5705b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c[454,467] [2022-10-17 16:52:56,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:56,555 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:56,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56 WrapperNode [2022-10-17 16:52:56,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:56,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:56,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:56,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:56,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,587 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:52:56,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:56,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:56,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:56,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:56,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:56,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:56,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:56,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:56,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:56,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:56,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88c2b1c8-5f96-43fd-a075-8f0837a5705b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:52:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:52:56,749 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:56,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:56,878 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:56,894 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:56,895 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:56,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:56 BoogieIcfgContainer [2022-10-17 16:52:56,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:56,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:56,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:56,910 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:56,910 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:52:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:52:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:57,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:57,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:57,156 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 16:52:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:52:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:52:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:57,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:57,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:52:57,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:57,295 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 16:52:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:52:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:52:57,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:57,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:57,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:52:57,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:57,491 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 16:52:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:52:57,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:52:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:57,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:57,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:57,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:58,168 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 16:52:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:52:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:52:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:58,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:58,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:58,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:58,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:58,631 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 16:52:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-10-17 16:52:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:52:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:59,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:59,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:59,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:59,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:59,679 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 16:53:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 16:53:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:53:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:53:00,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:00,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:00,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:00,535 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 16:53:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2022-10-17 16:53:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-10-17 16:53:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:00,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:00,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:00,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:00,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:01,037 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 16:53:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-10-17 16:53:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 16:53:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:02,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:02,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:02,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:53:02,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:02,236 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 16:53:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2022-10-17 16:53:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2022-10-17 16:53:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:03,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:03,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:03,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:03,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:03,792 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 16:53:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2022-10-17 16:53:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2022-10-17 16:53:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:04,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:04,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:04,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:04,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:04,690 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 16:53:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2022-10-17 16:53:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2022-10-17 16:53:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:05,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:05,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:05,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:53:05,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:05,874 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 16:53:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2022-10-17 16:53:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2022-10-17 16:53:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:06,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:06,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:06,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:53:06,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:06,353 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 16:53:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 121 transitions. [2022-10-17 16:53:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2022-10-17 16:53:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:08,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:53:08,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:08,510 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 16:53:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 152 transitions. [2022-10-17 16:53:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 152 transitions. [2022-10-17 16:53:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:11,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:11,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:11,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:53:11,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:11,329 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 16:53:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2022-10-17 16:53:12,906 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2022-10-17 16:53:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:12,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:12,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:53:12,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:12,994 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 16:53:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2022-10-17 16:53:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2022-10-17 16:53:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:13,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:53:13,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:13,845 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 16:53:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 155 transitions. [2022-10-17 16:53:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 155 transitions. [2022-10-17 16:53:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:15,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:15,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:15,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:53:15,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:15,508 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 16:53:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2022-10-17 16:53:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2022-10-17 16:53:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:17,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:17,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:17,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:53:17,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:17,260 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 16:53:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2022-10-17 16:53:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2022-10-17 16:53:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:17,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:17,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:17,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:18,310 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 16:53:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2022-10-17 16:53:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2022-10-17 16:53:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:22,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:22,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:22,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:53:22,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:23,343 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 16:53:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2022-10-17 16:53:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2022-10-17 16:53:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:26,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:26,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:26,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:26,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:26,761 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 16:53:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 88 states and 208 transitions. [2022-10-17 16:53:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 208 transitions. [2022-10-17 16:53:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:27,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:53:27,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:27,994 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 16:53:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 91 states and 211 transitions. [2022-10-17 16:53:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 211 transitions. [2022-10-17 16:53:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:30,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:30,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:53:30,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.