./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ --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 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:44:32,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:44:32,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:44:32,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:44:32,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:44:32,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:44:32,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:44:32,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:44:32,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:44:32,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:44:32,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:44:32,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:44:32,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:44:32,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:44:32,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:44:32,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:44:32,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:44:32,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:44:32,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:44:32,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:44:32,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:44:32,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:44:32,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:44:32,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:44:32,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:44:32,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:44:32,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:44:32,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:44:32,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:44:32,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:44:32,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:44:32,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:44:32,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:44:32,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:44:32,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:44:32,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:44:32,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:44:32,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:44:32,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:44:32,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:44:32,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:44:32,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:44:32,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:44:32,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:44:32,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:44:32,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:44:32,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:44:32,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:44:32,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:44:32,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:44:32,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:44:32,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:44:32,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:44:32,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:44:32,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:44:32,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:44:32,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:44:32,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:44:32,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:44:32,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:44:32,617 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:44:32,618 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:44:32,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:44:32,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:32,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:44:32,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:44:32,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:44:32,620 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:44:32,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:44:32,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:44:32,621 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_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 [2021-11-23 00:44:32,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:44:32,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:44:32,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:44:32,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:44:32,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:44:32,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2021-11-23 00:44:32,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/data/a01ad1ad1/89cfe1c4e1b446c491a0adfab2f92a2f/FLAG6801cc5af [2021-11-23 00:44:33,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:44:33,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2021-11-23 00:44:33,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/data/a01ad1ad1/89cfe1c4e1b446c491a0adfab2f92a2f/FLAG6801cc5af [2021-11-23 00:44:33,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/data/a01ad1ad1/89cfe1c4e1b446c491a0adfab2f92a2f [2021-11-23 00:44:33,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:44:33,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:44:33,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:33,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:44:33,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:44:33,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:33" (1/1) ... [2021-11-23 00:44:33,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677a4915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:33, skipping insertion in model container [2021-11-23 00:44:33,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:33" (1/1) ... [2021-11-23 00:44:33,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:44:33,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:44:34,245 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_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2021-11-23 00:44:34,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:34,260 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:44:34,405 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_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2021-11-23 00:44:34,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:34,427 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:44:34,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34 WrapperNode [2021-11-23 00:44:34,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:34,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:34,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:44:34,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:44:34,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,523 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 928 [2021-11-23 00:44:34,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:34,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:44:34,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:44:34,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:44:34,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:44:34,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:44:34,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:44:34,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:44:34,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:34" (1/1) ... [2021-11-23 00:44:34,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:44:34,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:44:34,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31ec2c5-d54a-43cf-84ff-aa59d1fe3bd1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:44:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:44:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:44:34,896 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:44:34,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:44:35,931 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:44:36,722 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:44:36,723 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:44:36,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:36 BoogieIcfgContainer [2021-11-23 00:44:36,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:44:36,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:44:36,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:44:36,737 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:44:36,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:36" (1/1) ... [2021-11-23 00:44:36,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:44:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-23 00:44:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-23 00:44:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:44:36,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:36,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2021-11-23 00:44:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2021-11-23 00:44:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:44:37,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:37,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2021-11-23 00:44:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-23 00:44:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:44:38,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:38,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2021-11-23 00:44:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2021-11-23 00:44:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:44:39,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:39,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2021-11-23 00:44:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2021-11-23 00:44:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:44:40,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:40,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2021-11-23 00:44:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2021-11-23 00:44:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:44:41,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:41,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:43,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2021-11-23 00:44:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2021-11-23 00:44:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:44:43,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:43,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2021-11-23 00:44:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2021-11-23 00:44:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:44:45,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2021-11-23 00:44:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2021-11-23 00:44:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:44:45,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2021-11-23 00:44:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2021-11-23 00:44:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:44:45,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2021-11-23 00:44:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2021-11-23 00:44:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:44:48,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:48,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 190 states and 313 transitions. [2021-11-23 00:44:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 313 transitions. [2021-11-23 00:44:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:49,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:49,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 254 states and 468 transitions. [2021-11-23 00:45:03,160 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 468 transitions. [2021-11-23 00:45:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:45:03,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:03,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 272 states and 503 transitions. [2021-11-23 00:45:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 503 transitions. [2021-11-23 00:45:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:45:15,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 273 states and 506 transitions. [2021-11-23 00:45:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 506 transitions. [2021-11-23 00:45:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:16,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:16,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 338 states and 670 transitions. [2021-11-23 00:45:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 670 transitions. [2021-11-23 00:45:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:43,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:43,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:45:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 341 states and 678 transitions. [2021-11-23 00:45:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 678 transitions. [2021-11-23 00:45:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:44,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:44,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 406 states and 847 transitions. [2021-11-23 00:46:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 847 transitions. [2021-11-23 00:46:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:24,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:24,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 430 states and 909 transitions. [2021-11-23 00:46:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 909 transitions. [2021-11-23 00:46:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:31,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:31,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 449 states and 949 transitions. [2021-11-23 00:46:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 949 transitions. [2021-11-23 00:46:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:52,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:52,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 450 states and 955 transitions. [2021-11-23 00:46:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 955 transitions. [2021-11-23 00:46:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:53,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:53,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 451 states and 956 transitions. [2021-11-23 00:46:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 956 transitions. [2021-11-23 00:46:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:54,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:54,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 456 states and 969 transitions. [2021-11-23 00:46:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 969 transitions. [2021-11-23 00:46:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:56,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:56,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 480 states and 1028 transitions. [2021-11-23 00:47:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1028 transitions. [2021-11-23 00:47:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:04,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:04,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 481 states and 1031 transitions. [2021-11-23 00:47:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1031 transitions. [2021-11-23 00:47:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:04,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:04,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 505 states and 1093 transitions. [2021-11-23 00:47:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1093 transitions. [2021-11-23 00:47:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:16,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:16,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 529 states and 1156 transitions. [2021-11-23 00:47:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1156 transitions. [2021-11-23 00:47:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:30,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:30,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 553 states and 1220 transitions. [2021-11-23 00:47:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1220 transitions. [2021-11-23 00:47:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:51,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:51,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:48:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 577 states and 1287 transitions. [2021-11-23 00:48:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1287 transitions. [2021-11-23 00:48:19,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:19,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:19,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:48:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 582 states and 1306 transitions. [2021-11-23 00:48:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1306 transitions. [2021-11-23 00:48:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:23,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:23,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 606 states and 1375 transitions. [2021-11-23 00:49:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1375 transitions. [2021-11-23 00:49:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:49:04,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:04,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 607 states and 1384 transitions. [2021-11-23 00:49:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1384 transitions. [2021-11-23 00:49:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:49:04,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:04,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:56,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 631 states and 1454 transitions. [2021-11-23 00:49:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1454 transitions. [2021-11-23 00:49:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:49:56,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:56,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:50:00,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 634 states and 1470 transitions. [2021-11-23 00:50:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1470 transitions. [2021-11-23 00:50:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:50:00,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:00,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:51:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 658 states and 1544 transitions. [2021-11-23 00:51:01,352 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1544 transitions. [2021-11-23 00:51:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:51:01,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:51:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 663 states and 1566 transitions. [2021-11-23 00:51:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1566 transitions. [2021-11-23 00:51:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:51:06,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:06,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:52:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 687 states and 1642 transitions. [2021-11-23 00:52:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1642 transitions. [2021-11-23 00:52:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:52:29,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 711 states and 1719 transitions. [2021-11-23 00:54:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1719 transitions. [2021-11-23 00:54:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:54:12,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:12,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 735 states and 1798 transitions. [2021-11-23 00:56:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1798 transitions. [2021-11-23 00:56:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:56:06,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.