./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/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_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/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_623c2607-6b75-4980-9939-e1752ee18568/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 50b0a90f24476d3b8404a11c5a11650cef36326e0b80eb9bfd0bc8b7617d7b0d --- 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 00:52:14,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:52:14,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:52:14,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:52:14,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:52:14,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:52:14,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:52:14,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:52:14,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:52:14,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:52:14,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:52:14,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:52:14,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:52:14,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:52:14,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:52:14,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:52:14,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:52:14,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:52:14,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:52:14,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:52:14,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:52:14,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:52:14,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:52:14,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:52:14,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:52:14,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:52:14,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:52:14,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:52:14,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:52:14,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:52:14,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:52:14,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:52:14,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:52:14,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:52:14,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:52:14,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:52:14,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:52:14,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:52:14,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:52:14,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:52:14,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:52:14,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:52:14,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:52:14,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:52:14,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:52:14,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:52:14,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:52:14,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:52:14,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:52:14,458 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:52:14,459 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:52:14,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:52:14,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:52:14,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:52:14,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:52:14,460 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:52:14,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:52:14,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:52:14,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:52:14,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:52:14,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:52:14,461 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:52:14,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:52:14,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:52:14,462 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_623c2607-6b75-4980-9939-e1752ee18568/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b0a90f24476d3b8404a11c5a11650cef36326e0b80eb9bfd0bc8b7617d7b0d [2022-12-15 00:52:14,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:52:14,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:52:14,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:52:14,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:52:14,649 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:52:14,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2022-12-15 00:52:17,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:52:17,400 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:52:17,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2022-12-15 00:52:17,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/data/e3874b990/0d8ebc5e7007475888d22d28b57f0a6e/FLAGe360bc7c0 [2022-12-15 00:52:17,795 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/data/e3874b990/0d8ebc5e7007475888d22d28b57f0a6e [2022-12-15 00:52:17,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:52:17,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:52:17,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:52:17,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:52:17,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:52:17,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:52:17" (1/1) ... [2022-12-15 00:52:17,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631c81b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:17, skipping insertion in model container [2022-12-15 00:52:17,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:52:17" (1/1) ... [2022-12-15 00:52:17,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:52:17,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:52:17,990 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_623c2607-6b75-4980-9939-e1752ee18568/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c[8342,8355] [2022-12-15 00:52:17,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:52:18,004 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:52:18,041 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_623c2607-6b75-4980-9939-e1752ee18568/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c[8342,8355] [2022-12-15 00:52:18,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:52:18,054 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:52:18,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18 WrapperNode [2022-12-15 00:52:18,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:52:18,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:52:18,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:52:18,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:52:18,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,096 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 259 [2022-12-15 00:52:18,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:52:18,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:52:18,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:52:18,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:52:18,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:52:18,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:52:18,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:52:18,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:52:18,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:52:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:52:18,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:52:18,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c2607-6b75-4980-9939-e1752ee18568/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:52:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:52:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:52:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:52:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:52:18,261 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:52:18,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:52:18,525 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:52:18,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:52:18,724 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:52:18,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:52:18 BoogieIcfgContainer [2022-12-15 00:52:18,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:52:18,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:52:18,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:52:18,733 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:52:18,734 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:52:18" (1/1) ... [2022-12-15 00:52:18,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:52:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 00:52:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 00:52:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:52:18,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:19,435 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 00:52:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-15 00:52:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-15 00:52:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:52:19,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:19,786 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 00:52:20,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-15 00:52:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-15 00:52:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:52:20,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:20,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:20,497 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 00:52:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-12-15 00:52:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-12-15 00:52:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:52:20,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:20,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:21,290 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 00:52:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-15 00:52:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-15 00:52:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:52:21,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:21,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:23,505 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 00:52:26,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2022-12-15 00:52:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2022-12-15 00:52:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:52:26,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:26,380 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 00:52:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2022-12-15 00:52:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2022-12-15 00:52:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:52:28,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:28,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:31,441 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 00:52:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2022-12-15 00:52:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2022-12-15 00:52:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:52:35,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:37,313 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 00:52:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 99 transitions. [2022-12-15 00:52:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2022-12-15 00:52:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:52:41,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:41,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:52:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2022-12-15 00:52:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-12-15 00:52:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:52:50,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:50,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:51,668 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 00:52:58,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2022-12-15 00:52:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2022-12-15 00:52:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:52:58,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:58,874 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 00:53:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 90 states and 174 transitions. [2022-12-15 00:53:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2022-12-15 00:53:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:53:01,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:01,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:03,222 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 00:53:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 190 transitions. [2022-12-15 00:53:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 190 transitions. [2022-12-15 00:53:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:53:07,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:08,145 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 00:53:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 99 states and 194 transitions. [2022-12-15 00:53:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 194 transitions. [2022-12-15 00:53:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:53:09,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:09,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:11,038 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 00:53:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 100 states and 197 transitions. [2022-12-15 00:53:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2022-12-15 00:53:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:53:12,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:12,486 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 00:53:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 102 states and 202 transitions. [2022-12-15 00:53:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 202 transitions. [2022-12-15 00:53:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:53:13,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:13,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:14,951 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 00:53:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 109 states and 230 transitions. [2022-12-15 00:53:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 230 transitions. [2022-12-15 00:53:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:53:21,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:21,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:21,804 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 00:53:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 110 states and 231 transitions. [2022-12-15 00:53:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 231 transitions. [2022-12-15 00:53:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:53:22,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:22,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 00:53:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 110 states and 230 transitions. [2022-12-15 00:53:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2022-12-15 00:53:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:53:23,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:48,946 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 00:54:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:54:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 136 states and 298 transitions. [2022-12-15 00:54:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 298 transitions. [2022-12-15 00:54:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:54:50,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:54:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:54:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:55:05,830 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 00:56:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:56:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 160 states and 360 transitions. [2022-12-15 00:56:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 360 transitions. [2022-12-15 00:56:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:56:18,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:56:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:56:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:56:34,210 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 00:57:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 186 states and 423 transitions. [2022-12-15 00:57:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 423 transitions. [2022-12-15 00:57:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:57:50,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:50,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:58:12,278 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 00:59:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:59:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 211 states and 491 transitions. [2022-12-15 00:59:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 491 transitions. [2022-12-15 00:59:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:59:45,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:59:45,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:59:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:59:47,428 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 01:00:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:00:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 219 states and 526 transitions. [2022-12-15 01:00:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 526 transitions. [2022-12-15 01:00:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:00:01,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:00:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:00:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:00:24,667 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 01:02:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:02:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 244 states and 594 transitions. [2022-12-15 01:02:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 594 transitions. [2022-12-15 01:02:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:02:18,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:02:18,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:02:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:02:18,576 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 01:02:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:02:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 250 states and 603 transitions. [2022-12-15 01:02:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 603 transitions. [2022-12-15 01:02:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:02:45,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:02:45,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:02:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:02:48,159 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 01:03:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:03:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 260 states and 634 transitions. [2022-12-15 01:03:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 634 transitions. [2022-12-15 01:03:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 01:03:30,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:03:30,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:03:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:03:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:04:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:04:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 274 states and 701 transitions. [2022-12-15 01:04:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 701 transitions. [2022-12-15 01:04:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 01:04:35,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:04:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:04:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:04:41,822 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 01:05:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 288 states and 770 transitions. [2022-12-15 01:05:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 770 transitions. [2022-12-15 01:05:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 01:05:46,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:46,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:55,272 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 01:06:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:06:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 306 states and 863 transitions. [2022-12-15 01:06:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 863 transitions. [2022-12-15 01:06:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 01:06:58,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:06:58,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:06:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.