./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB --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 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- 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-dbf71c6-m [2022-10-17 16:36:56,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:56,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:56,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:56,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:56,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:56,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:56,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:56,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:56,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:56,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:56,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:56,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:56,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:56,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:56,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:56,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:56,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:56,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:56,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:56,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:56,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:56,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:56,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:56,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:56,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:56,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:56,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:56,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:56,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:56,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:56,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:56,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:56,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:56,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:56,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:56,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:56,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:56,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:56,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:56,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:56,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:56,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:56,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:56,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:56,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:56,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:56,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:56,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:56,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:56,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:56,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:56,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:56,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:56,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:56,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:56,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:56,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:56,505 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:56,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:56,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:56,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:56,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:56,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:56,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:56,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:56,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:56,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:56,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:56,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:56,508 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_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2022-10-17 16:36:56,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:56,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:56,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:56,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:56,836 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:56,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/nested6.i [2022-10-17 16:36:56,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/data/4c0f800a6/7b00a42648844eda943a48aa0fef24b2/FLAG1534b99e7 [2022-10-17 16:36:57,322 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:57,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/sv-benchmarks/c/loop-invgen/nested6.i [2022-10-17 16:36:57,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/data/4c0f800a6/7b00a42648844eda943a48aa0fef24b2/FLAG1534b99e7 [2022-10-17 16:36:57,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/data/4c0f800a6/7b00a42648844eda943a48aa0fef24b2 [2022-10-17 16:36:57,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:57,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:57,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:57,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:57,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:57,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:57" (1/1) ... [2022-10-17 16:36:57,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b13a374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:57, skipping insertion in model container [2022-10-17 16:36:57,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:57" (1/1) ... [2022-10-17 16:36:57,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:57,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:57,995 WARN L230 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_ac6074ab-a951-4df6-a352-cd4aa939e0e0/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2022-10-17 16:36:58,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:58,028 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:58,044 WARN L230 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_ac6074ab-a951-4df6-a352-cd4aa939e0e0/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2022-10-17 16:36:58,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:58,074 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:58,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58 WrapperNode [2022-10-17 16:36:58,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:58,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:58,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:58,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:58,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,116 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-10-17 16:36:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:58,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:58,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:58,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:58,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:58,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:58,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:58,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:58,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:58,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:58,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:58,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6074ab-a951-4df6-a352-cd4aa939e0e0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:36:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:36:58,323 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:58,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:58,469 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:58,502 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:58,502 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:36:58,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:58 BoogieIcfgContainer [2022-10-17 16:36:58,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:58,506 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:58,506 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:58,517 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:58,517 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:36:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:36:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:58,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2022-10-17 16:36:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-10-17 16:36:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:59,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2022-10-17 16:36:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:36:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:59,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2022-10-17 16:36:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2022-10-17 16:36:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:59,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2022-10-17 16:37:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2022-10-17 16:37:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:37:00,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2022-10-17 16:37:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:37:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:00,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2022-10-17 16:37:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2022-10-17 16:37:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:37:00,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2022-10-17 16:37:01,207 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2022-10-17 16:37:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:37:01,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:02,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2022-10-17 16:37:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2022-10-17 16:37:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:37:02,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:37:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2022-10-17 16:37:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-10-17 16:37:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:37:02,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:37:03,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2022-10-17 16:37:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2022-10-17 16:37:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:37:03,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2022-10-17 16:37:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2022-10-17 16:37:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:37:04,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:04,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:37:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2022-10-17 16:37:05,187 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2022-10-17 16:37:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:37:05,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:37:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2022-10-17 16:37:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2022-10-17 16:37:05,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:37:05,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:37:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2022-10-17 16:37:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2022-10-17 16:37:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:37:06,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2022-10-17 16:37:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2022-10-17 16:37:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:37:06,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:37:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2022-10-17 16:37:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2022-10-17 16:37:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:37:07,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:37:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2022-10-17 16:37:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2022-10-17 16:37:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:37:08,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:37:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2022-10-17 16:37:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2022-10-17 16:37:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:37:08,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:37:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2022-10-17 16:37:08,778 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2022-10-17 16:37:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:37:08,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 16:37:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2022-10-17 16:37:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2022-10-17 16:37:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:37:10,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:10,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:37:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2022-10-17 16:37:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2022-10-17 16:37:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:37:12,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:37:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2022-10-17 16:37:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2022-10-17 16:37:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:37:12,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:37:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2022-10-17 16:37:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2022-10-17 16:37:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:37:13,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:37:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2022-10-17 16:37:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2022-10-17 16:37:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:37:14,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:37:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2022-10-17 16:37:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2022-10-17 16:37:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:37:17,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:17,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:37:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2022-10-17 16:37:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2022-10-17 16:37:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:37:19,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:37:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2022-10-17 16:37:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2022-10-17 16:37:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:37:20,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-10-17 16:37:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2022-10-17 16:37:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2022-10-17 16:37:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:37:20,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:37:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2022-10-17 16:37:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2022-10-17 16:37:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:37:22,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-17 16:37:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2022-10-17 16:37:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2022-10-17 16:37:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:37:23,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:23,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-17 16:37:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2022-10-17 16:37:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2022-10-17 16:37:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:37:24,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:24,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-17 16:37:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2022-10-17 16:37:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2022-10-17 16:37:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:37:25,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:25,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-10-17 16:37:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2022-10-17 16:37:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2022-10-17 16:37:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:37:27,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:27,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.