./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-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_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/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_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/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_b6e391eb-6320-40e9-bc0f-e23dc5a344da/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 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- 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 16:56:55,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:55,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:55,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:55,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:55,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:55,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:55,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:55,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:55,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:55,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:55,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:55,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:55,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:55,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:55,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:55,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:55,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:55,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:55,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:55,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:55,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:55,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:55,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:55,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:55,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:55,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:55,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:55,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:55,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:55,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:55,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:55,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:55,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:55,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:55,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:55,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:55,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:55,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:55,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:55,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:55,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:56:55,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:55,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:55,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:55,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:55,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:55,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:55,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:55,898 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:55,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:55,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:55,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:55,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:55,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:55,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:55,901 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:55,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:55,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:55,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:55,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:55,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:55,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:55,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:55,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:55,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:55,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:55,904 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:55,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:55,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:55,905 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_b6e391eb-6320-40e9-bc0f-e23dc5a344da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2022-10-17 16:56:56,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:56,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:56,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:56,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:56,221 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:56,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2022-10-17 16:56:56,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/data/dfbd71e13/bb21207e34064cdd9087a5eba7b11192/FLAG9249474a4 [2022-10-17 16:56:56,816 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:56,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2022-10-17 16:56:56,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/data/dfbd71e13/bb21207e34064cdd9087a5eba7b11192/FLAG9249474a4 [2022-10-17 16:56:57,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/data/dfbd71e13/bb21207e34064cdd9087a5eba7b11192 [2022-10-17 16:56:57,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:57,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:57,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:57,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:57,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:57,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f649695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57, skipping insertion in model container [2022-10-17 16:56:57,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:57,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:57,418 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_b6e391eb-6320-40e9-bc0f-e23dc5a344da/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2022-10-17 16:56:57,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:57,454 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:57,469 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_b6e391eb-6320-40e9-bc0f-e23dc5a344da/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2022-10-17 16:56:57,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:57,496 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:57,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57 WrapperNode [2022-10-17 16:56:57,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:57,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:57,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:57,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:57,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,532 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:56:57,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:57,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:57,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:57,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:57,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:57,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:57,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:57,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:57,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:57,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:57,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e391eb-6320-40e9-bc0f-e23dc5a344da/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:56:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:56:57,730 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:57,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:57,857 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:57,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:57,874 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:56:57,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:57 BoogieIcfgContainer [2022-10-17 16:56:57,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:57,878 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:57,878 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:57,889 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:57,889 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:57" (1/1) ... [2022-10-17 16:56:57,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:56:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:56:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:56:57,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:57,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:58,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:58,144 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 16:56:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:56:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:56:58,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:56:58,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:58,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:56:58,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:58,337 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 16:56:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:56:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:56:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:56:58,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:56:58,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:58,604 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 16:56:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:56:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:56:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:58,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:58,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:59,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:56:59,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:59,234 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 16:56:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:56:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:56:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:59,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:59,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:59,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:56:59,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:59,725 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 16:57:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 16:57:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 16:57:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:00,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:00,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:57:00,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:00,394 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 16:57:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-10-17 16:57:01,274 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-10-17 16:57:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:01,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:01,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:01,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:01,387 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 16:57:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-10-17 16:57:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-10-17 16:57:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:01,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:01,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:01,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:57:01,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:01,926 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 16:57:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-10-17 16:57:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-10-17 16:57:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:02,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:02,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:02,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:02,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:02,950 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 16:57:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2022-10-17 16:57:03,536 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2022-10-17 16:57:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:03,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:03,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:03,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:57:03,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:03,659 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 16:57:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2022-10-17 16:57:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2022-10-17 16:57:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:04,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:04,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:04,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:57:04,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:04,332 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 16:57:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2022-10-17 16:57:04,899 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2022-10-17 16:57:04,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:04,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:04,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:04,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:04,987 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 16:57:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2022-10-17 16:57:05,840 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2022-10-17 16:57:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:05,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:05,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:05,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:05,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:06,072 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 16:57:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2022-10-17 16:57:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2022-10-17 16:57:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:07,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:07,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:07,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:07,764 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 16:57:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 126 transitions. [2022-10-17 16:57:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2022-10-17 16:57:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:08,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:08,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:08,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:08,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:08,771 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 16:57:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 146 transitions. [2022-10-17 16:57:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 146 transitions. [2022-10-17 16:57:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:09,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:09,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:09,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:09,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:10,048 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 16:57:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 147 transitions. [2022-10-17 16:57:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 147 transitions. [2022-10-17 16:57:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:10,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:10,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:10,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:10,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:11,182 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 16:57:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 69 states and 148 transitions. [2022-10-17 16:57:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 148 transitions. [2022-10-17 16:57:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:12,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:12,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:12,192 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 16:57:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2022-10-17 16:57:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2022-10-17 16:57:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:13,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:13,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:13,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:13,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:13,522 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 16:57:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2022-10-17 16:57:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2022-10-17 16:57:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:13,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:14,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:14,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:14,293 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 16:57:17,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 81 states and 196 transitions. [2022-10-17 16:57:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 196 transitions. [2022-10-17 16:57:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:17,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:17,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:57:17,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:18,107 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 16:57:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 219 transitions. [2022-10-17 16:57:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 219 transitions. [2022-10-17 16:57:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:20,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:20,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:20,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:20,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:20,812 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 16:57:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 85 states and 218 transitions. [2022-10-17 16:57:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 218 transitions. [2022-10-17 16:57:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:21,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:21,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:21,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:57:21,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:21,886 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 16:57:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 87 states and 219 transitions. [2022-10-17 16:57:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 219 transitions. [2022-10-17 16:57:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:23,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:23,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:57:23,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:23,864 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 16:57:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 89 states and 220 transitions. [2022-10-17 16:57:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 220 transitions. [2022-10-17 16:57:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:25,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:25,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:57:25,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:26,026 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 16:57:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 91 states and 221 transitions. [2022-10-17 16:57:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 221 transitions. [2022-10-17 16:57:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:28,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:28,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:57:28,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:28,801 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 16:57:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 93 states and 222 transitions. [2022-10-17 16:57:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 222 transitions. [2022-10-17 16:57:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:30,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:30,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:30,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:30,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:30,462 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 16:57:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2022-10-17 16:57:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2022-10-17 16:57:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:31,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:31,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:31,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:31,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:31,790 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 16:57:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 93 states and 220 transitions. [2022-10-17 16:57:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 220 transitions. [2022-10-17 16:57:33,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:57:33,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:33,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:33,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:57:33,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.