./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4 --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 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 --- 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-2329fc7 [2022-12-14 22:20:34,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:20:34,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:20:34,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:20:34,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:20:34,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:20:34,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:20:34,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:20:34,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:20:34,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:20:34,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:20:34,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:20:34,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:20:34,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:20:34,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:20:34,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:20:34,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:20:34,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:20:34,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:20:34,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:20:34,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:20:34,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:20:34,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:20:34,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:20:34,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:20:34,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:20:34,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:20:34,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:20:34,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:20:34,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:20:34,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:20:34,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:20:34,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:20:34,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:20:34,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:20:34,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:20:34,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:20:34,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:20:34,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:20:34,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:20:34,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:20:34,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:20:34,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:20:34,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:20:34,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:20:34,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:20:34,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:20:34,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:20:34,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:20:34,857 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:20:34,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:20:34,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:20:34,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:20:34,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:20:34,859 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:20:34,859 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:20:34,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:20:34,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:20:34,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:20:34,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:20:34,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:20:34,860 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:20:34,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:20:34,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:20:34,860 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_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 [2022-12-14 22:20:35,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:20:35,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:20:35,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:20:35,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:20:35,038 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:20:35,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2022-12-14 22:20:37,532 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:20:37,700 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:20:37,700 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2022-12-14 22:20:37,706 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/data/b4f8fca12/51b61cad234641438b9418a7a5112cd1/FLAGe71f3a7ce [2022-12-14 22:20:38,090 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/data/b4f8fca12/51b61cad234641438b9418a7a5112cd1 [2022-12-14 22:20:38,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:20:38,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:20:38,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:20:38,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:20:38,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:20:38,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea27bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38, skipping insertion in model container [2022-12-14 22:20:38,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:20:38,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:20:38,222 WARN L237 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_b4487d52-04f9-4daa-8917-62f186db9bd8/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c[489,502] [2022-12-14 22:20:38,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:20:38,244 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:20:38,253 WARN L237 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_b4487d52-04f9-4daa-8917-62f186db9bd8/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c[489,502] [2022-12-14 22:20:38,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:20:38,270 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:20:38,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38 WrapperNode [2022-12-14 22:20:38,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:20:38,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:20:38,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:20:38,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:20:38,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,294 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-14 22:20:38,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:20:38,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:20:38,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:20:38,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:20:38,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:20:38,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:20:38,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:20:38,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:20:38,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:20:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:20:38,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:20:38,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4487d52-04f9-4daa-8917-62f186db9bd8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:20:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:20:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 22:20:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 22:20:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:20:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:20:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:20:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:20:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:20:38,431 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:20:38,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:20:38,535 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:20:38,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:20:38,562 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:20:38,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:20:38 BoogieIcfgContainer [2022-12-14 22:20:38,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:20:38,564 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:20:38,564 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:20:38,571 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:20:38,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:20:38" (1/1) ... [2022-12-14 22:20:38,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:20:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-14 22:20:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-14 22:20:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:20:38,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:38,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:38,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 22:20:38,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:20:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-14 22:20:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-14 22:20:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:20:38,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:38,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:38,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 22:20:38,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:20:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 55 transitions. [2022-12-14 22:20:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 22:20:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:20:39,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:39,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 22:20:39,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:20:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 75 transitions. [2022-12-14 22:20:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-12-14 22:20:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:20:39,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:39,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:40,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 22:20:40,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:20:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 73 transitions. [2022-12-14 22:20:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-14 22:20:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:20:40,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:40,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:40,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 22:20:40,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 22:20:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 86 transitions. [2022-12-14 22:20:40,728 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2022-12-14 22:20:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:20:40,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:40,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:20:40,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:20:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 47 states and 95 transitions. [2022-12-14 22:20:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2022-12-14 22:20:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:20:41,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:41,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:41,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 22:20:41,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 22:20:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 113 transitions. [2022-12-14 22:20:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2022-12-14 22:20:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:20:42,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:42,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:42,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 22:20:42,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 22:20:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 123 transitions. [2022-12-14 22:20:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 123 transitions. [2022-12-14 22:20:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 22:20:44,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:44,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:44,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:20:44,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 22:20:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 58 states and 129 transitions. [2022-12-14 22:20:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 129 transitions. [2022-12-14 22:20:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 22:20:44,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:44,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:44,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 22:20:44,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 22:20:47,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 145 transitions. [2022-12-14 22:20:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 145 transitions. [2022-12-14 22:20:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 22:20:47,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:47,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 22:20:47,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 22:20:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 67 states and 150 transitions. [2022-12-14 22:20:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 150 transitions. [2022-12-14 22:20:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 22:20:48,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:48,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:48,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:20:48,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 22:20:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 71 states and 160 transitions. [2022-12-14 22:20:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2022-12-14 22:20:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 22:20:57,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:57,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 22:20:57,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:20:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 22:21:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 75 states and 178 transitions. [2022-12-14 22:21:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 178 transitions. [2022-12-14 22:21:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 22:21:01,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:01,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:01,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 22:21:01,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 22:21:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 76 states and 180 transitions. [2022-12-14 22:21:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 180 transitions. [2022-12-14 22:21:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 22:21:02,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:02,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:02,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:21:02,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 22:21:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 187 transitions. [2022-12-14 22:21:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 187 transitions. [2022-12-14 22:21:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 22:21:03,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:03,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:03,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:21:03,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 22:21:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 188 transitions. [2022-12-14 22:21:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2022-12-14 22:21:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 22:21:03,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:03,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 22:21:03,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 22:21:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 83 states and 204 transitions. [2022-12-14 22:21:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 204 transitions. [2022-12-14 22:21:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 22:21:28,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:28,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:28,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 22:21:28,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 22:21:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 85 states and 211 transitions. [2022-12-14 22:21:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 211 transitions. [2022-12-14 22:21:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 22:21:37,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:37,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 22:21:37,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 22:21:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:21:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 86 states and 212 transitions. [2022-12-14 22:21:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 212 transitions. [2022-12-14 22:21:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 22:21:51,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:21:51,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:21:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:21:51,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 22:21:51,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:21:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 22:22:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 90 states and 225 transitions. [2022-12-14 22:22:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 225 transitions. [2022-12-14 22:22:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 22:22:01,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:01,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:01,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 22:22:01,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 22:22:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 93 states and 232 transitions. [2022-12-14 22:22:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 232 transitions. [2022-12-14 22:22:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 22:22:04,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:04,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 22:22:04,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 22:22:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 94 states and 233 transitions. [2022-12-14 22:22:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 233 transitions. [2022-12-14 22:22:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 22:22:10,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:10,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 22:22:10,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 22:22:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 98 states and 253 transitions. [2022-12-14 22:22:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 253 transitions. [2022-12-14 22:22:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 22:22:18,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:18,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 22:22:18,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 22:22:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 99 states and 256 transitions. [2022-12-14 22:22:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 256 transitions. [2022-12-14 22:22:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 22:22:22,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:22,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:22,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 22:22:22,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 22:22:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 100 states and 258 transitions. [2022-12-14 22:22:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 258 transitions. [2022-12-14 22:22:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 22:22:25,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:25,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:25,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 22:22:25,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 22:22:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 101 states and 259 transitions. [2022-12-14 22:22:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 259 transitions. [2022-12-14 22:22:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 22:22:28,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:28,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:28,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:22:28,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 22:22:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 103 states and 267 transitions. [2022-12-14 22:22:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 267 transitions. [2022-12-14 22:22:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 22:22:32,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:32,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:22:32,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 22:22:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 104 states and 268 transitions. [2022-12-14 22:22:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 268 transitions. [2022-12-14 22:22:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 22:22:33,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:33,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:33,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:22:33,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 22:22:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 105 states and 269 transitions. [2022-12-14 22:22:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 269 transitions. [2022-12-14 22:22:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 22:22:34,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:34,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 22:22:34,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:22:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-12-14 22:22:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 109 states and 286 transitions. [2022-12-14 22:22:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 286 transitions. [2022-12-14 22:22:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 22:22:58,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:58,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 22:22:58,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-12-14 22:23:03,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 111 states and 294 transitions. [2022-12-14 22:23:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 294 transitions. [2022-12-14 22:23:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 22:23:03,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:03,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 22:23:03,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-12-14 22:23:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 112 states and 295 transitions. [2022-12-14 22:23:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 295 transitions. [2022-12-14 22:23:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 22:23:05,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:05,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 22:23:05,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-14 22:23:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 116 states and 310 transitions. [2022-12-14 22:23:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 310 transitions. [2022-12-14 22:23:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 22:23:24,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:24,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:25,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 22:23:25,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-14 22:23:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 119 states and 318 transitions. [2022-12-14 22:23:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 318 transitions. [2022-12-14 22:23:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 22:23:32,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:32,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:33,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 22:23:33,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-14 22:23:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 120 states and 320 transitions. [2022-12-14 22:23:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 320 transitions. [2022-12-14 22:23:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 22:23:40,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:40,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:40,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 22:23:40,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-14 22:23:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 121 states and 321 transitions. [2022-12-14 22:23:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 321 transitions. [2022-12-14 22:23:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 22:23:45,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:45,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:23:45,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:24:35,024 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:24:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-14 22:25:25,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 22:25:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:25:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 125 states and 342 transitions. [2022-12-14 22:25:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 342 transitions. [2022-12-14 22:25:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 22:25:29,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:25:29,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:25:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:25:29,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:25:29,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:25:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-14 22:25:58,897 WARN L233 SmtUtils]: Spent 20.36s on a formula simplification. DAG size of input: 115 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:26:10,862 WARN L233 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:26:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 126 states and 344 transitions. [2022-12-14 22:26:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 344 transitions. [2022-12-14 22:26:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 22:26:11,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:11,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:26:11,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-14 22:26:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 127 states and 347 transitions. [2022-12-14 22:26:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 347 transitions. [2022-12-14 22:26:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 22:26:17,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:17,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:17,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:26:17,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-14 22:26:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 129 states and 352 transitions. [2022-12-14 22:26:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 352 transitions. [2022-12-14 22:26:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 22:26:26,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:26,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:27,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:26:27,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-14 22:26:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 130 states and 353 transitions. [2022-12-14 22:26:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 353 transitions. [2022-12-14 22:26:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 22:26:35,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:35,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:35,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:26:35,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-14 22:26:50,781 WARN L233 SmtUtils]: Spent 10.88s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:27:09,437 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 50 DAG size of output: 49 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:27:28,182 WARN L233 SmtUtils]: Spent 11.61s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:27:55,126 WARN L233 SmtUtils]: Spent 12.15s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:27:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:27:55,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 132 states and 362 transitions. [2022-12-14 22:27:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 362 transitions. [2022-12-14 22:27:55,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 22:27:55,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:27:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:27:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:27:55,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:27:55,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:27:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-14 22:27:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:27:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 133 states and 363 transitions. [2022-12-14 22:27:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 363 transitions. [2022-12-14 22:27:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 22:27:59,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:27:59,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:27:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:27:59,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:27:59,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:27:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-14 22:28:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 134 states and 364 transitions. [2022-12-14 22:28:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 364 transitions. [2022-12-14 22:28:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 22:28:00,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:00,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:28:00,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:28:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-14 22:28:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 135 states and 365 transitions. [2022-12-14 22:28:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 365 transitions. [2022-12-14 22:28:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 22:28:01,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:01,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:01,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 22:28:01,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:28:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 62 proven. 46 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-14 22:28:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 139 states and 388 transitions. [2022-12-14 22:28:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 388 transitions. [2022-12-14 22:28:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 22:28:59,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:59,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:59,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 22:28:59,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-14 22:29:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 141 states and 392 transitions. [2022-12-14 22:29:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 392 transitions. [2022-12-14 22:29:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 22:29:08,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:08,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:29:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:29:08,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 22:29:08,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:29:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-14 22:30:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:30:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 160 states and 445 transitions. [2022-12-14 22:30:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 445 transitions. [2022-12-14 22:30:05,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 22:30:05,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:30:05,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:30:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:30:05,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 22:30:05,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:30:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 79 proven. 59 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-12-14 22:30:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:30:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 161 states and 446 transitions. [2022-12-14 22:30:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 446 transitions. [2022-12-14 22:30:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 22:30:13,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:30:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:30:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:30:13,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 22:30:13,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:30:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 67 proven. 50 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-14 22:31:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:31:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 165 states and 467 transitions. [2022-12-14 22:31:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 467 transitions. [2022-12-14 22:31:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 22:31:06,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:31:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:31:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:31:06,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 22:31:06,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:31:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 96 proven. 54 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-14 22:31:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:31:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 167 states and 470 transitions. [2022-12-14 22:31:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 470 transitions. [2022-12-14 22:31:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 22:31:28,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:31:28,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:31:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:31:28,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 22:31:28,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:31:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 63 proven. 50 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-12-14 22:32:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:32:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 184 states and 512 transitions. [2022-12-14 22:32:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 512 transitions. [2022-12-14 22:32:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 22:32:52,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:32:52,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:32:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:32:52,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 22:32:52,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:33:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 64 proven. 53 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-14 22:33:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:33:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 185 states and 514 transitions. [2022-12-14 22:33:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 514 transitions. [2022-12-14 22:33:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 22:33:16,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:33:16,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:33:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:33:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 22:33:16,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:33:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 67 proven. 50 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-14 22:33:42,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:33:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 186 states and 516 transitions. [2022-12-14 22:33:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 516 transitions. [2022-12-14 22:33:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 22:33:42,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:33:42,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:33:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:33:42,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 22:33:42,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:34:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 87 proven. 63 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-14 22:34:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:34:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 187 states and 517 transitions. [2022-12-14 22:34:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 517 transitions. [2022-12-14 22:34:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 22:34:10,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:34:10,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:34:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:34:10,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 22:34:10,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:35:25,409 WARN L233 SmtUtils]: Spent 11.26s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:35:40,984 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 247 DAG size of output: 225 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:35:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 68 proven. 64 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked.