./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5ae1d248ac328ae194d38c847eaaf19b85e7124a7cd6c7e1aa145a759bc08e1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:41:37,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:41:37,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:41:37,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:41:37,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:41:37,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:41:37,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:41:37,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:41:37,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:41:37,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:41:37,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:41:37,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:41:37,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:41:37,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:41:37,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:41:37,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:41:37,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:41:37,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:41:37,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:41:37,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:41:37,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:41:37,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:41:37,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:41:37,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:41:37,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:41:37,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:41:37,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:41:37,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:41:37,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:41:37,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:41:37,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:41:37,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:41:37,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:41:37,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:41:37,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:41:37,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:41:37,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:41:37,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:41:37,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:41:37,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:41:37,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:41:37,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:41:37,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:41:37,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:41:37,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:41:37,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:41:37,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:41:37,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:41:37,214 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:41:37,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:41:37,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:41:37,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:41:37,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:41:37,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:41:37,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:41:37,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:41:37,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:41:37,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:41:37,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:41:37,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:41:37,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:41:37,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:41:37,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:41:37,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:41:37,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:41:37,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:41:37,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:41:37,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:41:37,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:41:37,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:41:37,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:41:37,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:41:37,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:41:37,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:41:37,225 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_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5ae1d248ac328ae194d38c847eaaf19b85e7124a7cd6c7e1aa145a759bc08e1 [2021-11-07 08:41:37,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:41:37,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:41:37,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:41:37,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:41:37,603 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:41:37,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2021-11-07 08:41:37,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/data/e4fdbb1ba/f3be11d2c0f849f19f876e9fc520ada8/FLAGef6eb66d7 [2021-11-07 08:41:38,403 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:41:38,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2021-11-07 08:41:38,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/data/e4fdbb1ba/f3be11d2c0f849f19f876e9fc520ada8/FLAGef6eb66d7 [2021-11-07 08:41:38,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/data/e4fdbb1ba/f3be11d2c0f849f19f876e9fc520ada8 [2021-11-07 08:41:38,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:41:38,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:41:38,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:41:38,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:41:38,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:41:38,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:41:38" (1/1) ... [2021-11-07 08:41:38,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54229fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:38, skipping insertion in model container [2021-11-07 08:41:38,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:41:38" (1/1) ... [2021-11-07 08:41:38,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:41:38,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:41:39,005 WARN L228 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_69b21076-b431-4143-b98b-a57ae8214dfe/sv-benchmarks/c/eca-rers2012/Problem10_label21.c[3267,3280] [2021-11-07 08:41:39,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:41:39,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:41:39,279 WARN L228 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_69b21076-b431-4143-b98b-a57ae8214dfe/sv-benchmarks/c/eca-rers2012/Problem10_label21.c[3267,3280] [2021-11-07 08:41:39,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:41:39,507 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:41:39,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39 WrapperNode [2021-11-07 08:41:39,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:41:39,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:41:39,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:41:39,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:41:39,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:41:39,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:41:39,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:41:39,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:41:39,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:41:39,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:41:39,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:41:39,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:41:39,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (1/1) ... [2021-11-07 08:41:39,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:41:39,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:39,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:39,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:41:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:41:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:41:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:41:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:41:41,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:41:41,398 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 08:41:41,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:41:41 BoogieIcfgContainer [2021-11-07 08:41:41,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:41:41,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:41:41,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:41:41,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:41:41,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:41:38" (1/3) ... [2021-11-07 08:41:41,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b3cea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:41:41, skipping insertion in model container [2021-11-07 08:41:41,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:39" (2/3) ... [2021-11-07 08:41:41,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b3cea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:41:41, skipping insertion in model container [2021-11-07 08:41:41,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:41:41" (3/3) ... [2021-11-07 08:41:41,412 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2021-11-07 08:41:41,419 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:41:41,419 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:41:41,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:41:41,487 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 08:41:41,487 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:41:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 08:41:41,520 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:41,520 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:41,521 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:41,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:41,528 INFO L85 PathProgramCache]: Analyzing trace with hash -438767135, now seen corresponding path program 1 times [2021-11-07 08:41:41,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:41,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644355907] [2021-11-07 08:41:41,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:41,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:41:41,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:41,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644355907] [2021-11-07 08:41:41,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644355907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:41,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:41,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:41:41,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255737048] [2021-11-07 08:41:41,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:41,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:41,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:41,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:41,959 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:43,095 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-11-07 08:41:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:43,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 08:41:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:43,113 INFO L225 Difference]: With dead ends: 552 [2021-11-07 08:41:43,114 INFO L226 Difference]: Without dead ends: 282 [2021-11-07 08:41:43,119 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:43,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-07 08:41:43,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-07 08:41:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-11-07 08:41:43,193 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 27 [2021-11-07 08:41:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:43,194 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-11-07 08:41:43,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-11-07 08:41:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 08:41:43,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:43,200 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:43,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:41:43,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:43,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1203353191, now seen corresponding path program 1 times [2021-11-07 08:41:43,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:43,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078859898] [2021-11-07 08:41:43,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:43,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:41:43,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:43,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078859898] [2021-11-07 08:41:43,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078859898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:43,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:43,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:41:43,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564127277] [2021-11-07 08:41:43,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:43,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:43,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:43,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:43,464 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:44,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:44,173 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2021-11-07 08:41:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:44,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 08:41:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:44,181 INFO L225 Difference]: With dead ends: 701 [2021-11-07 08:41:44,181 INFO L226 Difference]: Without dead ends: 421 [2021-11-07 08:41:44,183 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-11-07 08:41:44,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-11-07 08:41:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2021-11-07 08:41:44,222 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 96 [2021-11-07 08:41:44,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:44,223 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2021-11-07 08:41:44,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2021-11-07 08:41:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 08:41:44,230 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:44,230 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:44,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:41:44,231 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:44,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:44,231 INFO L85 PathProgramCache]: Analyzing trace with hash 541830856, now seen corresponding path program 1 times [2021-11-07 08:41:44,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:44,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525877518] [2021-11-07 08:41:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:44,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:41:44,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:44,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525877518] [2021-11-07 08:41:44,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525877518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:44,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:44,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:41:44,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439216730] [2021-11-07 08:41:44,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:44,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:44,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:44,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:44,391 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:45,070 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2021-11-07 08:41:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:45,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-07 08:41:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:45,080 INFO L225 Difference]: With dead ends: 1118 [2021-11-07 08:41:45,081 INFO L226 Difference]: Without dead ends: 838 [2021-11-07 08:41:45,082 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:45,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-11-07 08:41:45,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2021-11-07 08:41:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.330945558739255) internal successors, (929), 698 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 929 transitions. [2021-11-07 08:41:45,128 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 929 transitions. Word has length 102 [2021-11-07 08:41:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:45,128 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 929 transitions. [2021-11-07 08:41:45,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 929 transitions. [2021-11-07 08:41:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-07 08:41:45,137 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:45,137 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:45,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:41:45,138 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:45,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:45,138 INFO L85 PathProgramCache]: Analyzing trace with hash 557225786, now seen corresponding path program 1 times [2021-11-07 08:41:45,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:45,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094682636] [2021-11-07 08:41:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:45,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:41:45,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:45,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094682636] [2021-11-07 08:41:45,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094682636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:45,336 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:45,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:41:45,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784500152] [2021-11-07 08:41:45,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:41:45,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:45,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:41:45,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:41:45,340 INFO L87 Difference]: Start difference. First operand 699 states and 929 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:46,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:46,147 INFO L93 Difference]: Finished difference Result 1129 states and 1544 transitions. [2021-11-07 08:41:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:41:46,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-11-07 08:41:46,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:46,156 INFO L225 Difference]: With dead ends: 1129 [2021-11-07 08:41:46,157 INFO L226 Difference]: Without dead ends: 571 [2021-11-07 08:41:46,159 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:41:46,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-11-07 08:41:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2021-11-07 08:41:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3416815742397137) internal successors, (750), 559 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 750 transitions. [2021-11-07 08:41:46,184 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 750 transitions. Word has length 121 [2021-11-07 08:41:46,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:46,185 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 750 transitions. [2021-11-07 08:41:46,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 750 transitions. [2021-11-07 08:41:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-07 08:41:46,196 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:46,197 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:46,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:41:46,197 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:46,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:46,198 INFO L85 PathProgramCache]: Analyzing trace with hash 507322598, now seen corresponding path program 1 times [2021-11-07 08:41:46,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:46,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088953346] [2021-11-07 08:41:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:46,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-07 08:41:46,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:46,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088953346] [2021-11-07 08:41:46,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088953346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:46,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:46,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:41:46,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588118512] [2021-11-07 08:41:46,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:46,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:46,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:46,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:46,329 INFO L87 Difference]: Start difference. First operand 560 states and 750 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:46,962 INFO L93 Difference]: Finished difference Result 1257 states and 1742 transitions. [2021-11-07 08:41:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:46,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2021-11-07 08:41:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:46,971 INFO L225 Difference]: With dead ends: 1257 [2021-11-07 08:41:46,971 INFO L226 Difference]: Without dead ends: 838 [2021-11-07 08:41:46,972 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:46,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-11-07 08:41:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-11-07 08:41:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2759856630824373) internal successors, (1068), 837 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1068 transitions. [2021-11-07 08:41:47,005 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1068 transitions. Word has length 162 [2021-11-07 08:41:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:47,007 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1068 transitions. [2021-11-07 08:41:47,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1068 transitions. [2021-11-07 08:41:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-07 08:41:47,016 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:47,017 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:47,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:41:47,017 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:47,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:47,018 INFO L85 PathProgramCache]: Analyzing trace with hash 173497465, now seen corresponding path program 1 times [2021-11-07 08:41:47,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:47,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488345734] [2021-11-07 08:41:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:47,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:41:47,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:47,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488345734] [2021-11-07 08:41:47,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488345734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:47,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:47,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:41:47,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409178713] [2021-11-07 08:41:47,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:47,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:47,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:47,246 INFO L87 Difference]: Start difference. First operand 838 states and 1068 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:47,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:47,903 INFO L93 Difference]: Finished difference Result 1813 states and 2369 transitions. [2021-11-07 08:41:47,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:47,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-11-07 08:41:47,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:47,918 INFO L225 Difference]: With dead ends: 1813 [2021-11-07 08:41:47,918 INFO L226 Difference]: Without dead ends: 1116 [2021-11-07 08:41:47,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-07 08:41:47,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-11-07 08:41:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2469262295081966) internal successors, (1217), 976 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-11-07 08:41:47,958 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 179 [2021-11-07 08:41:47,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:47,959 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-11-07 08:41:47,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-11-07 08:41:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-07 08:41:47,964 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:47,964 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:47,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 08:41:47,966 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:47,966 INFO L85 PathProgramCache]: Analyzing trace with hash 205771184, now seen corresponding path program 1 times [2021-11-07 08:41:47,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:47,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196208456] [2021-11-07 08:41:47,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:47,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-07 08:41:48,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:48,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196208456] [2021-11-07 08:41:48,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196208456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:48,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:41:48,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:41:48,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764466865] [2021-11-07 08:41:48,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:48,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:48,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:48,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:48,129 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:48,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:48,820 INFO L93 Difference]: Finished difference Result 1396 states and 1711 transitions. [2021-11-07 08:41:48,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:48,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2021-11-07 08:41:48,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:48,831 INFO L225 Difference]: With dead ends: 1396 [2021-11-07 08:41:48,831 INFO L226 Difference]: Without dead ends: 1394 [2021-11-07 08:41:48,832 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:41:48,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-11-07 08:41:48,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 977. [2021-11-07 08:41:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2469262295081966) internal successors, (1217), 976 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-11-07 08:41:48,870 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 201 [2021-11-07 08:41:48,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:48,871 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-11-07 08:41:48,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-11-07 08:41:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-07 08:41:48,877 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:41:48,878 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:48,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:41:48,879 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:41:48,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:48,880 INFO L85 PathProgramCache]: Analyzing trace with hash -146994535, now seen corresponding path program 1 times [2021-11-07 08:41:48,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:48,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908727107] [2021-11-07 08:41:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:48,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 49 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:41:49,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:41:49,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908727107] [2021-11-07 08:41:49,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908727107] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:41:49,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594141774] [2021-11-07 08:41:49,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:49,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:49,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:49,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:41:49,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:41:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:41:49,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:41:49,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:41:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-07 08:41:50,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594141774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:41:50,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:41:50,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-07 08:41:50,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603052217] [2021-11-07 08:41:50,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:41:50,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:41:50,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:41:50,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:41:50,677 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:51,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:41:51,372 INFO L93 Difference]: Finished difference Result 1811 states and 2287 transitions. [2021-11-07 08:41:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:41:51,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2021-11-07 08:41:51,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:41:51,374 INFO L225 Difference]: With dead ends: 1811 [2021-11-07 08:41:51,375 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:41:51,377 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:41:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:41:51,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:41:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:51,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:41:51,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2021-11-07 08:41:51,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:41:51,379 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:41:51,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:41:51,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:41:51,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:41:51,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:51,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:51,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:41:51,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:41:51,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:41:51,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:41:51,741 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-11-07 08:41:51,742 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-11-07 08:41:51,742 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-11-07 08:41:51,742 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-11-07 08:41:51,742 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-11-07 08:41:51,746 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-11-07 08:41:51,747 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,747 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,747 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,748 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,751 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,754 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,755 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-11-07 08:41:51,755 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-07 08:41:51,756 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-07 08:41:51,760 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-07 08:41:51,760 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-07 08:41:51,762 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-07 08:41:51,762 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-07 08:41:51,763 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-11-07 08:41:51,766 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-11-07 08:41:51,766 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-11-07 08:41:51,766 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-11-07 08:41:51,766 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-11-07 08:41:51,767 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-11-07 08:41:51,767 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,767 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,767 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,768 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,768 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,768 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,768 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-11-07 08:41:51,768 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-11-07 08:41:51,769 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-11-07 08:41:51,770 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-07 08:41:51,771 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-07 08:41:51,771 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-07 08:41:51,771 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-07 08:41:51,771 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-07 08:41:51,772 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-07 08:41:51,772 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-11-07 08:41:51,772 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-11-07 08:41:51,772 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-11-07 08:41:51,773 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,773 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,773 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,773 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,773 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,774 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,774 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-11-07 08:41:51,774 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-11-07 08:41:51,774 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-11-07 08:41:51,775 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-07 08:41:51,775 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-07 08:41:51,775 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-07 08:41:51,775 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-07 08:41:51,775 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-07 08:41:51,776 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-07 08:41:51,776 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-11-07 08:41:51,776 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-11-07 08:41:51,776 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-11-07 08:41:51,777 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-11-07 08:41:51,779 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,780 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,780 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,780 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,780 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,781 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,781 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-11-07 08:41:51,781 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-11-07 08:41:51,781 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-07 08:41:51,781 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-07 08:41:51,782 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-07 08:41:51,782 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-07 08:41:51,782 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-07 08:41:51,782 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-07 08:41:51,783 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-11-07 08:41:51,783 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-11-07 08:41:51,783 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-11-07 08:41:51,783 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,783 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,784 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,784 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,784 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,784 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-11-07 08:41:51,784 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-11-07 08:41:51,785 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-11-07 08:41:51,785 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-11-07 08:41:51,785 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-07 08:41:51,785 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-07 08:41:51,785 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-07 08:41:51,786 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-07 08:41:51,786 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-07 08:41:51,786 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-11-07 08:41:51,786 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-11-07 08:41:51,787 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-11-07 08:41:51,787 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-11-07 08:41:51,787 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-11-07 08:41:51,787 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,787 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,788 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,788 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,788 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,788 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-11-07 08:41:51,788 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:41:51,789 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-07 08:41:51,789 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-07 08:41:51,789 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-07 08:41:51,789 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-07 08:41:51,789 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-07 08:41:51,790 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (or (= ~a10~0 1) (<= 8 ~a19~0) (<= ~a19~0 6) (= ~a10~0 2)) [2021-11-07 08:41:51,790 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-11-07 08:41:51,790 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-11-07 08:41:51,791 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-11-07 08:41:51,791 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-11-07 08:41:51,791 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,791 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,791 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,792 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,792 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,792 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-11-07 08:41:51,792 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-11-07 08:41:51,792 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-11-07 08:41:51,793 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-07 08:41:51,793 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-07 08:41:51,793 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-07 08:41:51,793 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-07 08:41:51,793 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-07 08:41:51,794 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-11-07 08:41:51,794 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-11-07 08:41:51,794 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-11-07 08:41:51,794 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-11-07 08:41:51,795 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-11-07 08:41:51,795 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-11-07 08:41:51,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:41:51,795 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,795 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,796 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,796 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,796 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,796 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-07 08:41:51,797 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-07 08:41:51,798 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-07 08:41:51,799 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 08:41:51,802 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-07 08:41:51,802 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-11-07 08:41:51,802 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-11-07 08:41:51,803 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-11-07 08:41:51,803 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-11-07 08:41:51,803 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,803 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,803 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,804 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,804 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:41:51,804 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,804 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-11-07 08:41:51,804 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-11-07 08:41:51,805 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-11-07 08:41:51,805 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-11-07 08:41:51,805 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-07 08:41:51,806 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-07 08:41:51,806 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-07 08:41:51,806 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-07 08:41:51,806 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-07 08:41:51,806 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-11-07 08:41:51,807 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-11-07 08:41:51,807 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-11-07 08:41:51,807 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (or (= ~a10~0 1) (<= 8 ~a19~0) (<= ~a19~0 6) (= ~a10~0 2)) [2021-11-07 08:41:51,807 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-11-07 08:41:51,807 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,808 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,808 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,808 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,808 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-07 08:41:51,808 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,809 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,809 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-11-07 08:41:51,809 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-11-07 08:41:51,809 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-11-07 08:41:51,809 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-07 08:41:51,810 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-07 08:41:51,810 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-07 08:41:51,810 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-07 08:41:51,810 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-07 08:41:51,810 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-07 08:41:51,811 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:41:51,811 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2021-11-07 08:41:51,811 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-11-07 08:41:51,811 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-11-07 08:41:51,811 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-11-07 08:41:51,812 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-11-07 08:41:51,812 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,812 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,812 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,812 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,813 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,813 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 08:41:51,813 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-11-07 08:41:51,813 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-11-07 08:41:51,813 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-11-07 08:41:51,814 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-07 08:41:51,814 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-07 08:41:51,814 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-07 08:41:51,814 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-07 08:41:51,814 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-07 08:41:51,814 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-07 08:41:51,818 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:41:51,820 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:41:51,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:41:51 BoogieIcfgContainer [2021-11-07 08:41:51,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:41:51,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:41:51,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:41:51,841 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:41:51,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:41:41" (3/4) ... [2021-11-07 08:41:51,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:41:51,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 08:41:51,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:41:51,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:41:51,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:41:52,059 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:41:52,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:41:52,061 INFO L168 Benchmark]: Toolchain (without parser) took 13390.88 ms. Allocated memory was 83.9 MB in the beginning and 169.9 MB in the end (delta: 86.0 MB). Free memory was 46.8 MB in the beginning and 110.2 MB in the end (delta: -63.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,061 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:41:52,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.51 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 46.5 MB in the beginning and 69.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.67 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 61.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,063 INFO L168 Benchmark]: Boogie Preprocessor took 140.56 ms. Allocated memory is still 109.1 MB. Free memory was 61.3 MB in the beginning and 56.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,064 INFO L168 Benchmark]: RCFGBuilder took 1600.89 ms. Allocated memory is still 109.1 MB. Free memory was 56.7 MB in the beginning and 67.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,064 INFO L168 Benchmark]: TraceAbstraction took 10437.17 ms. Allocated memory was 109.1 MB in the beginning and 169.9 MB in the end (delta: 60.8 MB). Free memory was 67.0 MB in the beginning and 124.9 MB in the end (delta: -57.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,065 INFO L168 Benchmark]: Witness Printer took 218.14 ms. Allocated memory is still 169.9 MB. Free memory was 124.9 MB in the beginning and 110.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:52,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 830.51 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 46.5 MB in the beginning and 69.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 147.67 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 61.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 140.56 ms. Allocated memory is still 109.1 MB. Free memory was 61.3 MB in the beginning and 56.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1600.89 ms. Allocated memory is still 109.1 MB. Free memory was 56.7 MB in the beginning and 67.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10437.17 ms. Allocated memory was 109.1 MB in the beginning and 169.9 MB in the end (delta: 60.8 MB). Free memory was 67.0 MB in the beginning and 124.9 MB in the end (delta: -57.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. * Witness Printer took 218.14 ms. Allocated memory is still 169.9 MB. Free memory was 124.9 MB in the beginning and 110.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 95]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 887 SDtfs, 900 SDslu, 42 SDs, 0 SdLazy, 3072 SolverSat, 613 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=6, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 706 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 19 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 408 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1432 NumberOfCodeBlocks, 1432 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1423 ConstructedInterpolants, 0 QuantifiedInterpolants, 7870 SizeOfPredicates, 0 NumberOfNonLiveVariables, 389 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 626/740 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((a10 == 1 || 8 <= a19) || a19 <= 6) || a10 == 2 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a10 == 1 || 8 <= a19) || a19 <= 6) || a10 == 2 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 08:41:52,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b21076-b431-4143-b98b-a57ae8214dfe/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE