./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.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_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/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_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/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_7429ea12-f897-4e46-b9dd-79a833bb29d3/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 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:03:50,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:50,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:51,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:51,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:51,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:51,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:51,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:51,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:51,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:51,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:51,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:51,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:51,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:51,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:51,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:51,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:51,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:51,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:51,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:51,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:51,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:51,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:51,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:51,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:51,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:51,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:51,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:51,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:51,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:51,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:51,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:51,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:51,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:51,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:51,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:51,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:51,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:51,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:51,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:51,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:51,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:51,097 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:51,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:51,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:51,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:51,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:51,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:51,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:51,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:51,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:51,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:51,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:51,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:51,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:51,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:51,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:51,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:51,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:51,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:51,107 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:51,107 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:51,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:51,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:51,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:51,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:51,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:51,109 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:51,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:51,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:51,110 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_7429ea12-f897-4e46-b9dd-79a833bb29d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd [2022-10-17 17:03:51,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:51,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:51,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:51,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:51,470 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:51,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2022-10-17 17:03:51,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/data/ec8cbfd3a/e9fb3f602a5a4e5c85c57cc90d4d5f37/FLAG28bdd8a4b [2022-10-17 17:03:52,075 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:52,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2022-10-17 17:03:52,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/data/ec8cbfd3a/e9fb3f602a5a4e5c85c57cc90d4d5f37/FLAG28bdd8a4b [2022-10-17 17:03:52,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/data/ec8cbfd3a/e9fb3f602a5a4e5c85c57cc90d4d5f37 [2022-10-17 17:03:52,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:52,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:52,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:52,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:52,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:52,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e216a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52, skipping insertion in model container [2022-10-17 17:03:52,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:52,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:52,656 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_7429ea12-f897-4e46-b9dd-79a833bb29d3/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c[489,502] [2022-10-17 17:03:52,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:52,700 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:52,712 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_7429ea12-f897-4e46-b9dd-79a833bb29d3/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c[489,502] [2022-10-17 17:03:52,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:52,741 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:52,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52 WrapperNode [2022-10-17 17:03:52,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:52,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:52,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:52,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:52,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,789 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-10-17 17:03:52,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:52,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:52,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:52,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:52,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,806 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:52,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:52,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:52,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:52,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:52" (1/1) ... [2022-10-17 17:03:52,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:52,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:52,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:52,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7429ea12-f897-4e46-b9dd-79a833bb29d3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:03:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:03:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:03:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:03:52,945 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:52,946 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:53,104 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:53,142 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:53,143 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:03:53,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:53 BoogieIcfgContainer [2022-10-17 17:03:53,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:53,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:53,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:53,156 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:53,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:53" (1/1) ... [2022-10-17 17:03:53,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 17:03:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 17:03:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:03:53,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:53,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:53,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:03:53,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 17:03:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 17:03:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:53,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:53,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:03:53,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:03:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2022-10-17 17:03:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 17:03:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:54,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:54,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:54,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:03:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:03:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 17:03:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 17:03:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:55,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:55,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:03:55,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:03:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 17:03:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 17:03:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:55,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:55,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:03:55,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:03:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 17:03:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 17:03:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:55,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:55,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:55,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:03:55,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:03:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 17:03:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 17:03:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:55,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:55,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:03:55,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:55,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-10-17 17:03:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 17:03:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:03:56,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:56,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:03:56,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 78 transitions. [2022-10-17 17:03:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 17:03:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:03:57,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:57,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:57,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:03:57,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:03:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 77 transitions. [2022-10-17 17:03:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 17:03:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:03:57,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:57,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:03:57,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 17:03:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 49 states and 104 transitions. [2022-10-17 17:03:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 104 transitions. [2022-10-17 17:03:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:03:58,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:58,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:03:58,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 17:03:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 53 states and 114 transitions. [2022-10-17 17:03:59,738 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2022-10-17 17:03:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:03:59,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:59,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:59,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:03:59,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:00,130 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 17:04:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 17:04:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 61 states and 136 transitions. [2022-10-17 17:04:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 136 transitions. [2022-10-17 17:04:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:04:04,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:04,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:04:04,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 17:04:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 148 transitions. [2022-10-17 17:04:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 148 transitions. [2022-10-17 17:04:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:04:06,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:06,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:04:06,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:04:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 154 transitions. [2022-10-17 17:04:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 154 transitions. [2022-10-17 17:04:09,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:04:09,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:09,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:09,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:04:09,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 17:04:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 72 states and 168 transitions. [2022-10-17 17:04:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 168 transitions. [2022-10-17 17:04:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:04:12,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:12,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:04:12,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 17:04:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 175 transitions. [2022-10-17 17:04:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 175 transitions. [2022-10-17 17:04:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:04:14,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:04:14,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 17:04:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 185 transitions. [2022-10-17 17:04:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 185 transitions. [2022-10-17 17:04:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:19,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:19,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:19,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:04:19,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 17:04:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 83 states and 206 transitions. [2022-10-17 17:04:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 206 transitions. [2022-10-17 17:04:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:23,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:23,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:04:23,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 17:04:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 85 states and 210 transitions. [2022-10-17 17:04:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 210 transitions. [2022-10-17 17:04:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:04:25,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:25,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:25,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:04:25,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-10-17 17:04:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 87 states and 217 transitions. [2022-10-17 17:04:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 217 transitions. [2022-10-17 17:04:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:04:26,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:26,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:26,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:04:26,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked.