./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/egcd-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/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_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/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_86ebd649-33ac-48ea-9a67-95d9560393f5/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 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 --- 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 [2022-12-15 02:41:57,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:41:57,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:41:57,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:41:57,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:41:57,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:41:57,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:41:57,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:41:57,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:41:57,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:41:57,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:41:57,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:41:57,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:41:57,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:41:57,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:41:57,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:41:57,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:41:57,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:41:57,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:41:57,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:41:57,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:41:57,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:41:57,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:41:57,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:41:57,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:41:57,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:41:57,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:41:57,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:41:57,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:41:57,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:41:57,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:41:57,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:41:57,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:41:57,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:41:57,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:41:57,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:41:57,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:41:57,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:41:57,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:41:57,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:41:57,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:41:57,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:41:57,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:41:57,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:41:57,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:41:57,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:41:57,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:41:57,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:41:57,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:41:57,632 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:41:57,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:41:57,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:41:57,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:41:57,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:41:57,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:41:57,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:41:57,651 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:41:57,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:41:57,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:41:57,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:41:57,652 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:41:57,652 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:41:57,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:41:57,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:41:57,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:41:57,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:41:57,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:41:57,653 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:41:57,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:41:57,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:41:57,654 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_86ebd649-33ac-48ea-9a67-95d9560393f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 [2022-12-15 02:41:57,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:41:57,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:41:57,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:41:57,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:41:57,859 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:41:57,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench/egcd-ll.c [2022-12-15 02:42:00,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:42:00,635 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:42:00,636 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/sv-benchmarks/c/nla-digbench/egcd-ll.c [2022-12-15 02:42:00,641 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/data/bef5d5681/3c1e9bd4ef274548afbe74e4220e41fb/FLAG566afa966 [2022-12-15 02:42:00,653 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/data/bef5d5681/3c1e9bd4ef274548afbe74e4220e41fb [2022-12-15 02:42:00,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:42:00,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:42:00,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:42:00,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:42:00,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:42:00,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eb3435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00, skipping insertion in model container [2022-12-15 02:42:00,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:42:00,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:42:00,790 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_86ebd649-33ac-48ea-9a67-95d9560393f5/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] [2022-12-15 02:42:00,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:42:00,812 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:42:00,822 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_86ebd649-33ac-48ea-9a67-95d9560393f5/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] [2022-12-15 02:42:00,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:42:00,842 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:42:00,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00 WrapperNode [2022-12-15 02:42:00,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:42:00,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:42:00,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:42:00,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:42:00,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,867 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-15 02:42:00,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:42:00,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:42:00,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:42:00,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:42:00,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:42:00,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:42:00,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:42:00,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:42:00,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:42:00" (1/1) ... [2022-12-15 02:42:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:42:00,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:42:00,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:42:00,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ebd649-33ac-48ea-9a67-95d9560393f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:42:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:42:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:42:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:42:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:42:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:42:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:42:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 02:42:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 02:42:00,991 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:42:00,992 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:42:01,093 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:42:01,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:42:01,119 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:42:01,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:42:01 BoogieIcfgContainer [2022-12-15 02:42:01,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:42:01,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:42:01,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:42:01,129 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:42:01,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:42:01" (1/1) ... [2022-12-15 02:42:01,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:42:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-12-15 02:42:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-12-15 02:42:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:42:01,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:01,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:42:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-15 02:42:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-15 02:42:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:42:01,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:01,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:01,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 02:42:01,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:42:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2022-12-15 02:42:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-12-15 02:42:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:42:01,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:01,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:42:01,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:42:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 50 transitions. [2022-12-15 02:42:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2022-12-15 02:42:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:42:01,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:01,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:02,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:42:02,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:42:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 69 transitions. [2022-12-15 02:42:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-12-15 02:42:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 02:42:02,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:02,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:02,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 02:42:02,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 02:42:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 67 transitions. [2022-12-15 02:42:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2022-12-15 02:42:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:42:02,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:02,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:03,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 02:42:03,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 02:42:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 81 transitions. [2022-12-15 02:42:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 81 transitions. [2022-12-15 02:42:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:42:03,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:03,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:03,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:42:03,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 02:42:04,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 44 states and 91 transitions. [2022-12-15 02:42:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2022-12-15 02:42:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:42:04,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:04,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-15 02:42:04,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 02:42:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 49 states and 109 transitions. [2022-12-15 02:42:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 109 transitions. [2022-12-15 02:42:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:42:06,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:06,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:06,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 02:42:06,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 02:42:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 53 states and 122 transitions. [2022-12-15 02:42:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2022-12-15 02:42:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:42:07,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:07,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:07,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:42:07,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:42:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 56 states and 128 transitions. [2022-12-15 02:42:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 128 transitions. [2022-12-15 02:42:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:42:09,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:09,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:09,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 02:42:09,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:42:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 60 states and 143 transitions. [2022-12-15 02:42:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 143 transitions. [2022-12-15 02:42:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:42:12,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:12,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:12,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 02:42:12,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:42:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 63 states and 152 transitions. [2022-12-15 02:42:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 152 transitions. [2022-12-15 02:42:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:42:14,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:14,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:14,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 02:42:14,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:42:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 64 states and 154 transitions. [2022-12-15 02:42:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 154 transitions. [2022-12-15 02:42:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 02:42:15,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:15,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:15,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:42:15,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 02:42:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 68 states and 164 transitions. [2022-12-15 02:42:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2022-12-15 02:42:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 02:42:24,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:24,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:24,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 02:42:24,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 02:42:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 73 states and 187 transitions. [2022-12-15 02:42:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 187 transitions. [2022-12-15 02:42:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 02:42:30,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:30,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 02:42:30,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 02:42:33,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 75 states and 192 transitions. [2022-12-15 02:42:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 192 transitions. [2022-12-15 02:42:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:42:33,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:33,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:42:33,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-15 02:42:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 77 states and 199 transitions. [2022-12-15 02:42:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 199 transitions. [2022-12-15 02:42:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:42:34,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:34,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:34,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:42:34,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-15 02:42:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 78 states and 200 transitions. [2022-12-15 02:42:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 200 transitions. [2022-12-15 02:42:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 02:42:34,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:34,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:34,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:42:34,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:42:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 02:42:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 86 states and 227 transitions. [2022-12-15 02:42:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 227 transitions. [2022-12-15 02:42:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 02:42:59,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:59,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:59,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:42:59,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 02:43:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 88 states and 235 transitions. [2022-12-15 02:43:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 235 transitions. [2022-12-15 02:43:08,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 02:43:08,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:08,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:08,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:43:08,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 02:43:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 89 states and 236 transitions. [2022-12-15 02:43:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 236 transitions. [2022-12-15 02:43:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 02:43:15,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:15,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:15,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:43:15,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 02:43:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 93 states and 249 transitions. [2022-12-15 02:43:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 249 transitions. [2022-12-15 02:43:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 02:43:29,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:29,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:29,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:43:29,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 02:43:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 96 states and 255 transitions. [2022-12-15 02:43:31,192 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 255 transitions. [2022-12-15 02:43:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 02:43:31,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:31,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:31,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:43:31,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 02:43:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 99 states and 263 transitions. [2022-12-15 02:43:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 263 transitions. [2022-12-15 02:43:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 02:43:40,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:40,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:40,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 02:43:40,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 02:43:42,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 100 states and 265 transitions. [2022-12-15 02:43:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 265 transitions. [2022-12-15 02:43:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 02:43:42,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:42,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 02:43:42,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 02:43:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 105 states and 290 transitions. [2022-12-15 02:43:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 290 transitions. [2022-12-15 02:43:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 02:43:50,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:50,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 02:43:50,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 02:43:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 106 states and 294 transitions. [2022-12-15 02:43:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 294 transitions. [2022-12-15 02:43:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 02:43:55,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:55,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 02:43:55,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:43:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 02:43:59,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 107 states and 297 transitions. [2022-12-15 02:43:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 297 transitions. [2022-12-15 02:43:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 02:43:59,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:59,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:59,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 02:43:59,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:44:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 02:44:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 108 states and 298 transitions. [2022-12-15 02:44:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 298 transitions. [2022-12-15 02:44:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 02:44:02,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:02,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 02:44:02,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:44:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 02:44:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 109 states and 299 transitions. [2022-12-15 02:44:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 299 transitions. [2022-12-15 02:44:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 02:44:06,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:06,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:06,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:44:06,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:44:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-15 02:44:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 111 states and 307 transitions. [2022-12-15 02:44:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 307 transitions. [2022-12-15 02:44:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 02:44:10,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:10,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:10,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:44:10,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:44:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-15 02:44:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 112 states and 308 transitions. [2022-12-15 02:44:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 308 transitions. [2022-12-15 02:44:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 02:44:12,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:12,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:44:12,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:44:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-15 02:44:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 113 states and 309 transitions. [2022-12-15 02:44:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 309 transitions. [2022-12-15 02:44:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-15 02:44:12,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:12,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:44:12,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:44:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 43 proven. 28 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 02:44:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 116 states and 324 transitions. [2022-12-15 02:44:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 324 transitions. [2022-12-15 02:44:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-15 02:44:52,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:52,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:52,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 02:44:52,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:45:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 42 proven. 50 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-15 02:45:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:45:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 118 states and 332 transitions. [2022-12-15 02:45:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 332 transitions. [2022-12-15 02:45:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-15 02:45:04,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:45:04,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:45:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:45:04,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:45:04,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:45:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 43 proven. 28 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 02:45:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:45:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 120 states and 335 transitions. [2022-12-15 02:45:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 335 transitions. [2022-12-15 02:45:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 02:45:19,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:45:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:45:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:45:19,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:45:19,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:45:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 48 proven. 31 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:46:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 124 states and 351 transitions. [2022-12-15 02:46:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 351 transitions. [2022-12-15 02:46:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 02:46:22,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:22,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:22,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:46:22,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:46:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 48 proven. 31 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:46:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 125 states and 354 transitions. [2022-12-15 02:46:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 354 transitions. [2022-12-15 02:46:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 02:46:36,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:36,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:46:36,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:46:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 48 proven. 31 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:46:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 126 states and 357 transitions. [2022-12-15 02:46:48,508 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 357 transitions. [2022-12-15 02:46:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 02:46:48,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:48,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:46:48,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:46:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 48 proven. 31 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:46:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 127 states and 360 transitions. [2022-12-15 02:46:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 360 transitions. [2022-12-15 02:46:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 02:46:57,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:57,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:46:57,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 30 proven. 49 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:47:06,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 129 states and 363 transitions. [2022-12-15 02:47:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 363 transitions. [2022-12-15 02:47:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 02:47:06,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:06,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:06,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 02:47:06,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 68 proven. 35 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-15 02:47:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 132 states and 369 transitions. [2022-12-15 02:47:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 369 transitions. [2022-12-15 02:47:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:18,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:18,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:18,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:47:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 137 states and 397 transitions. [2022-12-15 02:47:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 397 transitions. [2022-12-15 02:47:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:34,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:34,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:34,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:34,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:47:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 138 states and 398 transitions. [2022-12-15 02:47:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 398 transitions. [2022-12-15 02:47:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:39,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:39,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:39,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:39,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:47:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 139 states and 399 transitions. [2022-12-15 02:47:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 399 transitions. [2022-12-15 02:47:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:46,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:46,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:46,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:46,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:47:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 140 states and 402 transitions. [2022-12-15 02:47:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 402 transitions. [2022-12-15 02:47:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:50,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:50,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:50,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:50,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:47:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 141 states and 405 transitions. [2022-12-15 02:47:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 405 transitions. [2022-12-15 02:47:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:54,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:54,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:54,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:54,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:47:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:47:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 142 states and 408 transitions. [2022-12-15 02:47:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 408 transitions. [2022-12-15 02:47:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 02:47:58,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:58,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:47:58,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:48:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 23 proven. 72 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:48:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 143 states and 409 transitions. [2022-12-15 02:48:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 409 transitions. [2022-12-15 02:48:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 02:48:02,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:02,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:02,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:48:02,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:48:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-12-15 02:48:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 145 states and 418 transitions. [2022-12-15 02:48:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 418 transitions. [2022-12-15 02:48:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 02:48:13,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:13,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:13,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:48:13,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:48:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-12-15 02:48:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 146 states and 419 transitions. [2022-12-15 02:48:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 419 transitions. [2022-12-15 02:48:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 02:48:17,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:17,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:17,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:48:17,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:48:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-12-15 02:48:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:21,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 147 states and 420 transitions. [2022-12-15 02:48:21,504 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 420 transitions. [2022-12-15 02:48:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 02:48:21,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:21,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:21,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:48:21,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:48:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-12-15 02:48:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 148 states and 421 transitions. [2022-12-15 02:48:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 421 transitions. [2022-12-15 02:48:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:48:22,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:22,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:48:22,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:48:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 58 proven. 46 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2022-12-15 02:49:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 152 states and 445 transitions. [2022-12-15 02:49:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 445 transitions. [2022-12-15 02:49:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:49:40,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:40,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:40,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:49:40,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:50:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 58 proven. 46 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2022-12-15 02:50:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 153 states and 446 transitions. [2022-12-15 02:50:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 446 transitions. [2022-12-15 02:50:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:50:09,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:09,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:09,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:50:09,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:50:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 58 proven. 46 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2022-12-15 02:50:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 154 states and 447 transitions. [2022-12-15 02:50:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 447 transitions. [2022-12-15 02:50:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 02:50:35,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:35,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:35,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:50:35,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:50:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-12-15 02:50:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 158 states and 463 transitions. [2022-12-15 02:50:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 463 transitions. [2022-12-15 02:50:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 02:50:59,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:59,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:50:59,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:51:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-12-15 02:51:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 161 states and 470 transitions. [2022-12-15 02:51:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 470 transitions. [2022-12-15 02:51:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 02:51:25,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:25,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:25,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:51:25,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:51:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-12-15 02:51:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 164 states and 481 transitions. [2022-12-15 02:51:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 481 transitions. [2022-12-15 02:51:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 02:51:49,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:49,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:51:49,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-12-15 02:52:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 165 states and 483 transitions. [2022-12-15 02:52:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 483 transitions. [2022-12-15 02:52:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 02:52:07,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:07,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-15 02:52:07,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 41 proven. 105 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-12-15 02:52:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 166 states and 484 transitions. [2022-12-15 02:52:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 484 transitions. [2022-12-15 02:52:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 02:52:41,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:41,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:41,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:52:41,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-12-15 02:53:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 167 states and 487 transitions. [2022-12-15 02:53:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 487 transitions. [2022-12-15 02:53:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-15 02:53:01,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:02,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 02:53:02,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:31,530 WARN L233 SmtUtils]: Spent 10.59s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:53:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 68 proven. 64 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-15 02:53:59,788 WARN L233 SmtUtils]: Spent 12.09s on a formula simplification. DAG size of input: 194 DAG size of output: 139 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:54:23,728 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:54:56,762 WARN L233 SmtUtils]: Spent 21.79s on a formula simplification. DAG size of input: 196 DAG size of output: 146 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:55:40,692 WARN L233 SmtUtils]: Spent 10.65s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:56:13,195 WARN L233 SmtUtils]: Spent 11.23s on a formula simplification that was a NOOP. DAG size: 158 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:56:37,722 WARN L233 SmtUtils]: Spent 11.37s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:56:48,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 02:56:58,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]