./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/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_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/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_96422823-cf67-435f-867a-a43c8010d56a/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 2616f51a0d79e0bd682803708141b0dc94462ecdbaee78ea9cc6b43878e4310d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:15:54,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:15:54,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:15:54,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:15:54,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:15:54,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:15:54,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:15:54,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:15:54,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:15:54,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:15:54,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:15:54,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:15:54,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:15:54,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:15:54,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:15:54,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:15:54,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:15:54,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:15:54,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:15:54,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:15:54,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:15:54,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:15:54,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:15:54,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:15:54,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:15:54,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:15:54,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:15:54,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:15:54,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:15:54,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:15:54,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:15:54,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:15:54,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:15:54,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:15:54,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:15:54,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:15:54,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:15:54,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:15:54,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:15:54,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:15:54,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:15:54,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:15:54,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:15:54,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:15:54,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:15:54,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:15:54,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:15:54,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:15:54,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:15:54,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:15:54,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:15:54,593 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:15:54,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:15:54,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:15:54,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:15:54,594 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_96422823-cf67-435f-867a-a43c8010d56a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2616f51a0d79e0bd682803708141b0dc94462ecdbaee78ea9cc6b43878e4310d [2022-12-14 20:15:54,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:15:54,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:15:54,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:15:54,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:15:54,777 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:15:54,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c [2022-12-14 20:15:57,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:15:57,640 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:15:57,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c [2022-12-14 20:15:57,647 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/data/9dc2e7736/bc7000c3a1294987aa124cc442954e84/FLAG3ba52a8b7 [2022-12-14 20:15:57,659 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/data/9dc2e7736/bc7000c3a1294987aa124cc442954e84 [2022-12-14 20:15:57,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:15:57,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:15:57,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:15:57,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:15:57,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:15:57,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586b8e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57, skipping insertion in model container [2022-12-14 20:15:57,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:15:57,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:15:57,782 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_96422823-cf67-435f-867a-a43c8010d56a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c[525,538] [2022-12-14 20:15:57,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:15:57,808 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:15:57,816 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_96422823-cf67-435f-867a-a43c8010d56a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c[525,538] [2022-12-14 20:15:57,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:15:57,835 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:15:57,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57 WrapperNode [2022-12-14 20:15:57,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:15:57,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:15:57,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:15:57,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:15:57,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,860 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-14 20:15:57,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:15:57,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:15:57,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:15:57,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:15:57,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:15:57,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:15:57,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:15:57,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:15:57,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:57" (1/1) ... [2022-12-14 20:15:57,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:15:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:15:57,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:15:57,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96422823-cf67-435f-867a-a43c8010d56a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:15:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:15:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:15:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:15:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:15:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 20:15:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 20:15:57,984 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:15:57,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:15:58,155 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:15:58,200 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:15:58,201 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:15:58,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:15:58 BoogieIcfgContainer [2022-12-14 20:15:58,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:15:58,203 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:15:58,203 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:15:58,210 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:15:58,210 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:15:58" (1/1) ... [2022-12-14 20:15:58,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:15:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2022-12-14 20:15:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-12-14 20:15:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:15:58,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:58,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 20:15:58,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:15:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-12-14 20:15:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-12-14 20:15:58,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:15:58,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:58,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:58,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 20:15:58,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:15:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2022-12-14 20:15:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-12-14 20:15:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:15:58,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:58,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:58,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 20:15:58,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:15:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-12-14 20:15:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-12-14 20:15:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:15:58,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:58,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2022-12-14 20:15:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2022-12-14 20:15:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:15:59,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:59,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2022-12-14 20:16:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-14 20:16:00,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:16:00,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:00,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2022-12-14 20:16:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2022-12-14 20:16:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:16:01,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:01,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:01,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 20:16:01,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2022-12-14 20:16:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2022-12-14 20:16:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:16:02,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2022-12-14 20:16:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2022-12-14 20:16:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 20:16:03,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:03,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:03,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 20:16:03,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2022-12-14 20:16:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2022-12-14 20:16:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 20:16:04,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:04,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 123 transitions. [2022-12-14 20:16:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 123 transitions. [2022-12-14 20:16:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:16:05,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:05,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 132 transitions. [2022-12-14 20:16:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 132 transitions. [2022-12-14 20:16:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:16:06,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:06,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 20:16:06,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 67 states and 143 transitions. [2022-12-14 20:16:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2022-12-14 20:16:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:16:06,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:06,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 70 states and 150 transitions. [2022-12-14 20:16:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 150 transitions. [2022-12-14 20:16:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:16:07,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:07,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:07,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 20:16:07,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 77 states and 168 transitions. [2022-12-14 20:16:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 168 transitions. [2022-12-14 20:16:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:16:11,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:11,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 20:16:11,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 79 states and 171 transitions. [2022-12-14 20:16:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 171 transitions. [2022-12-14 20:16:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:16:12,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:12,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 20:16:12,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:16:41,150 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 [] [2022-12-14 20:16:41,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 85 states and 191 transitions. [2022-12-14 20:16:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 191 transitions. [2022-12-14 20:16:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:16:41,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:41,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 87 states and 203 transitions. [2022-12-14 20:16:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 203 transitions. [2022-12-14 20:16:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:16:42,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:42,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 92 states and 213 transitions. [2022-12-14 20:16:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 213 transitions. [2022-12-14 20:16:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:16:43,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:43,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:16:43,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 95 states and 227 transitions. [2022-12-14 20:16:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 227 transitions. [2022-12-14 20:16:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:16:44,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 98 states and 234 transitions. [2022-12-14 20:16:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 234 transitions. [2022-12-14 20:16:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:16:46,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:46,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:46,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 20:16:46,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 105 states and 254 transitions. [2022-12-14 20:16:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 254 transitions. [2022-12-14 20:16:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:16:52,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:52,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:52,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 20:16:52,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 108 states and 263 transitions. [2022-12-14 20:16:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 263 transitions. [2022-12-14 20:16:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:16:54,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:54,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 20:16:54,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 110 states and 264 transitions. [2022-12-14 20:16:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 264 transitions. [2022-12-14 20:16:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:16:56,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:56,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:56,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 20:16:56,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 112 states and 267 transitions. [2022-12-14 20:16:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 267 transitions. [2022-12-14 20:16:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:16:58,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:58,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:58,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 20:16:58,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:17:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:17:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 119 states and 286 transitions. [2022-12-14 20:17:52,521 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 286 transitions. [2022-12-14 20:17:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:17:52,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:52,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:52,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 20:17:52,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:17:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:17:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 124 states and 295 transitions. [2022-12-14 20:17:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 295 transitions. [2022-12-14 20:17:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:17:54,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:54,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:54,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:17:54,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:17:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 126 states and 314 transitions. [2022-12-14 20:17:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 314 transitions. [2022-12-14 20:17:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 20:17:55,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:55,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:55,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 20:17:55,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:19:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:19:32,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 20:19:42,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 20:19:52,701 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 [] [2022-12-14 20:19:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:19:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 128 states and 320 transitions. [2022-12-14 20:19:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 320 transitions. [2022-12-14 20:19:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:19:52,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:19:52,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:19:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:19:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:19:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:19:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 133 states and 331 transitions. [2022-12-14 20:19:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 331 transitions. [2022-12-14 20:19:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:19:55,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:19:55,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:19:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:19:55,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 20:19:55,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:19:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:19:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:19:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 136 states and 348 transitions. [2022-12-14 20:19:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 348 transitions. [2022-12-14 20:19:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:19:57,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:19:57,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:19:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:19:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:19:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:19:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 139 states and 355 transitions. [2022-12-14 20:19:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 355 transitions. [2022-12-14 20:19:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:19:59,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:19:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:19:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:19:59,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 20:19:59,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:20:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:18,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 20:20:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 146 states and 378 transitions. [2022-12-14 20:20:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 378 transitions. [2022-12-14 20:20:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:20:18,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:18,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:18,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 20:20:18,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:20:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 148 states and 380 transitions. [2022-12-14 20:20:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 380 transitions. [2022-12-14 20:20:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:20:21,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:21,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 20:20:21,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:20:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:41,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 153 states and 390 transitions. [2022-12-14 20:20:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 390 transitions. [2022-12-14 20:20:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:20:41,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:41,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:41,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 20:20:41,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:20:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 156 states and 397 transitions. [2022-12-14 20:20:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 397 transitions. [2022-12-14 20:20:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:20:45,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:45,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:45,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 20:20:45,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:20:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 158 states and 400 transitions. [2022-12-14 20:20:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 400 transitions. [2022-12-14 20:20:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:20:53,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:53,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:53,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 20:20:53,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:21:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:21:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 165 states and 420 transitions. [2022-12-14 20:21:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 420 transitions. [2022-12-14 20:21:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:21:42,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:42,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:42,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 20:21:42,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:21:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:21:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 170 states and 432 transitions. [2022-12-14 20:21:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2022-12-14 20:21:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:21:45,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:45,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:45,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 20:21:45,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:21:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:21:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:46,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 172 states and 433 transitions. [2022-12-14 20:21:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 433 transitions. [2022-12-14 20:21:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:21:46,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:46,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 20:21:46,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:21:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:21:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 175 states and 440 transitions. [2022-12-14 20:21:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 440 transitions. [2022-12-14 20:21:49,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:21:49,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:21:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:50,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 177 states and 468 transitions. [2022-12-14 20:21:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 468 transitions. [2022-12-14 20:21:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:21:50,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:50,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:50,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 20:21:50,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:28:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:29:46,847 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)