./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.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_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/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_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/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_786b3307-a368-4388-9208-a24c3d37737c/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 acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f --- 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 02:11:10,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:11:10,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:11:10,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:11:10,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:11:10,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:11:10,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:11:10,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:11:10,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:11:10,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:11:10,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:11:10,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:11:10,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:11:10,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:11:10,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:11:10,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:11:10,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:11:10,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:11:10,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:11:10,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:11:10,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:11:10,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:11:10,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:11:10,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:11:10,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:11:10,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:11:10,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:11:10,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:11:10,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:11:10,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:11:10,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:11:10,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:11:10,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:11:10,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:11:10,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:11:10,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:11:10,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:11:10,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:11:10,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:11:10,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:11:10,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:11:10,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:11:10,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:11:10,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:11:10,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:11:10,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:11:10,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:11:10,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:11:10,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:11:10,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:11:10,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:11:10,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:11:10,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:11:10,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:11:10,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:11:10,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:11:10,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:11:10,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:11:10,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:11:10,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:11:10,885 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:11:10,885 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:11:10,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:11:10,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:11:10,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:11:10,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:11:10,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:11:10,886 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:11:10,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:11:10,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:11:10,887 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_786b3307-a368-4388-9208-a24c3d37737c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f [2022-12-15 02:11:11,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:11:11,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:11:11,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:11:11,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:11:11,070 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:11:11,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2022-12-15 02:11:13,566 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:11:13,730 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:11:13,730 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2022-12-15 02:11:13,736 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/data/a6ef4cc1c/d3fe26a1c7164977b1cc1ec1732f7630/FLAG057f01c80 [2022-12-15 02:11:14,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/data/a6ef4cc1c/d3fe26a1c7164977b1cc1ec1732f7630 [2022-12-15 02:11:14,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:11:14,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:11:14,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:11:14,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:11:14,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:11:14,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2926e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14, skipping insertion in model container [2022-12-15 02:11:14,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:11:14,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:11:14,280 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_786b3307-a368-4388-9208-a24c3d37737c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2022-12-15 02:11:14,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:11:14,290 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:11:14,321 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_786b3307-a368-4388-9208-a24c3d37737c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2022-12-15 02:11:14,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:11:14,331 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:11:14,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14 WrapperNode [2022-12-15 02:11:14,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:11:14,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:11:14,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:11:14,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:11:14,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,362 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 311 [2022-12-15 02:11:14,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:11:14,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:11:14,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:11:14,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:11:14,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,381 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:11:14,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:11:14,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:11:14,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:11:14,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:11:14" (1/1) ... [2022-12-15 02:11:14,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:11:14,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:11:14,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:11:14,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786b3307-a368-4388-9208-a24c3d37737c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:11:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:11:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:11:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:11:14,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:11:14,504 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:11:14,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:11:14,804 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:11:15,081 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:11:15,081 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:11:15,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:11:15 BoogieIcfgContainer [2022-12-15 02:11:15,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:11:15,092 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:11:15,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:11:15,102 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:11:15,102 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:11:15" (1/1) ... [2022-12-15 02:11:15,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:11:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 02:11:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 02:11:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:11:15,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-15 02:11:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-15 02:11:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:11:16,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:16,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-15 02:11:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-15 02:11:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:11:16,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-12-15 02:11:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-12-15 02:11:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:11:17,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:17,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-12-15 02:11:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-12-15 02:11:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:11:17,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-12-15 02:11:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-12-15 02:11:24,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:11:24,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:24,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-12-15 02:11:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-12-15 02:11:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:11:34,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2022-12-15 02:11:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2022-12-15 02:11:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:11:38,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:38,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 111 transitions. [2022-12-15 02:11:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2022-12-15 02:11:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:11:45,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2022-12-15 02:11:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2022-12-15 02:11:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:11:48,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 73 states and 122 transitions. [2022-12-15 02:11:50,298 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 122 transitions. [2022-12-15 02:11:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:11:50,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:50,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:11:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:11:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 139 transitions. [2022-12-15 02:11:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 139 transitions. [2022-12-15 02:11:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:11:54,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:11:54,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:11:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:11:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:12:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 86 states and 153 transitions. [2022-12-15 02:12:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 153 transitions. [2022-12-15 02:12:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:12:01,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:01,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:12:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:12:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:12:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 111 states and 210 transitions. [2022-12-15 02:12:59,255 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 210 transitions. [2022-12-15 02:12:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:12:59,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:12:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:12:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:13:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:14:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:14:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 136 states and 273 transitions. [2022-12-15 02:14:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 273 transitions. [2022-12-15 02:14:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:14:55,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:14:55,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:14:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:15:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:16:54,157 WARN L233 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 457 DAG size of output: 422 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:17:11,600 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 473 DAG size of output: 434 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:17:29,708 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 474 DAG size of output: 435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:17:48,232 WARN L233 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 470 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:18:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:18:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 161 states and 339 transitions. [2022-12-15 02:18:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 339 transitions. [2022-12-15 02:18:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:18:24,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:18:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:18:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:18:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:18:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:18:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 168 states and 347 transitions. [2022-12-15 02:18:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 347 transitions. [2022-12-15 02:18:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:18:51,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:18:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:18:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:18:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:19:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 176 states and 365 transitions. [2022-12-15 02:19:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 365 transitions. [2022-12-15 02:19:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:19:04,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:04,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:45,543 WARN L233 SmtUtils]: Spent 12.67s on a formula simplification. DAG size of input: 333 DAG size of output: 326 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:20:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:20:37,656 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 522 DAG size of output: 337 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:21:27,638 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 526 DAG size of output: 341 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:21:52,023 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 539 DAG size of output: 368 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:22:00,917 WARN L233 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 541 DAG size of output: 418 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:22:20,082 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 550 DAG size of output: 379 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:22:26,207 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 552 DAG size of output: 427 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:22:42,921 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 551 DAG size of output: 380 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:22:48,775 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 553 DAG size of output: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:23:05,887 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 541 DAG size of output: 372 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:23:11,817 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 543 DAG size of output: 420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:24:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 201 states and 431 transitions. [2022-12-15 02:24:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 431 transitions. [2022-12-15 02:24:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:24:02,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:02,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:24:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 207 states and 438 transitions. [2022-12-15 02:24:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 438 transitions. [2022-12-15 02:24:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:25,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:25:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 221 states and 497 transitions. [2022-12-15 02:25:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 497 transitions. [2022-12-15 02:25:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:25:18,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:18,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:26:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:26:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 235 states and 549 transitions. [2022-12-15 02:26:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 549 transitions. [2022-12-15 02:26:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:26:08,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:26:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:26:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat