./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/960521-1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/960521-1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19e2947f690bcfa099d607c2a0a6dc0e6f351f54e3f3874a42109cbf9e336957 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:35:19,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:19,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:19,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:19,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:19,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:19,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:19,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:19,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:19,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:19,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:19,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:19,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:19,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:19,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:19,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:19,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:19,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:19,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:19,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:19,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:19,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:19,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:19,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:19,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:19,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:19,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:19,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:19,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:19,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:19,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:19,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:19,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:19,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:19,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:19,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:19,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:19,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:19,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:19,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:19,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:19,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:35:19,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:19,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:19,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:19,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:19,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:19,832 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:19,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:35:19,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:19,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:19,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:19,833 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:35:19,834 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:35:19,834 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:35:19,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:19,835 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:19,835 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:19,835 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:19,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:19,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:19,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:19,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:19,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:19,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:19,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:19,837 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_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19e2947f690bcfa099d607c2a0a6dc0e6f351f54e3f3874a42109cbf9e336957 [2022-10-17 16:35:20,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:20,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:20,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:20,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:20,195 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:20,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/960521-1-2.i [2022-10-17 16:35:20,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/data/4510ef1ac/aef7607126ff4148972f8134c8b0c8a8/FLAGaa18f638f [2022-10-17 16:35:20,854 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:20,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/sv-benchmarks/c/memsafety/960521-1-2.i [2022-10-17 16:35:20,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/data/4510ef1ac/aef7607126ff4148972f8134c8b0c8a8/FLAGaa18f638f [2022-10-17 16:35:21,143 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/data/4510ef1ac/aef7607126ff4148972f8134c8b0c8a8 [2022-10-17 16:35:21,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:21,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:21,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:21,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:21,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:21,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5771f4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21, skipping insertion in model container [2022-10-17 16:35:21,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:21,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:21,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:21,559 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:21,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:21,628 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:21,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21 WrapperNode [2022-10-17 16:35:21,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:21,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:21,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:21,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:21,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,676 INFO L138 Inliner]: procedures = 121, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-10-17 16:35:21,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:21,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:21,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:21,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:21,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:21,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:21,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:21,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:21,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:21,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:21,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:21,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66072f6b-c658-447d-88eb-bd8c85aced22/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:35:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:35:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:35:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:35:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:21,977 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:21,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:22,323 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:22,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:22,385 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:35:22,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:22 BoogieIcfgContainer [2022-10-17 16:35:22,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:22,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:22,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:22,405 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:22,406 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:22" (1/1) ... [2022-10-17 16:35:22,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2022-10-17 16:35:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-10-17 16:35:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:35:22,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:22,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2022-10-17 16:35:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2022-10-17 16:35:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:35:22,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2022-10-17 16:35:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-10-17 16:35:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:35:23,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:23,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:23,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2022-10-17 16:35:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2022-10-17 16:35:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:35:23,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2022-10-17 16:35:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-10-17 16:35:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:35:24,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:24,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2022-10-17 16:35:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2022-10-17 16:35:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:24,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:24,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:25,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2022-10-17 16:35:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-10-17 16:35:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:25,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-10-17 16:35:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-10-17 16:35:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:25,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2022-10-17 16:35:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-10-17 16:35:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:26,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-10-17 16:35:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-10-17 16:35:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:35:27,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-10-17 16:35:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-10-17 16:35:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:27,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:35:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2022-10-17 16:35:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-10-17 16:35:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:28,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-10-17 16:35:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-10-17 16:35:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:28,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2022-10-17 16:35:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-10-17 16:35:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:35:28,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2022-10-17 16:35:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-10-17 16:35:29,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:29,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:29,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:30,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:30,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2022-10-17 16:35:30,105 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-10-17 16:35:30,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:30,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:30,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:35:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2022-10-17 16:35:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2022-10-17 16:35:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:30,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 59 states and 71 transitions. [2022-10-17 16:35:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-10-17 16:35:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:30,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:30,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2022-10-17 16:35:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-10-17 16:35:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:35:31,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 63 states and 77 transitions. [2022-10-17 16:35:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-10-17 16:35:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:31,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:32,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2022-10-17 16:35:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2022-10-17 16:35:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:32,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:32,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:35:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2022-10-17 16:35:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2022-10-17 16:35:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:32,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:32,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 81 transitions. [2022-10-17 16:35:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2022-10-17 16:35:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:33,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:33,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 69 states and 83 transitions. [2022-10-17 16:35:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2022-10-17 16:35:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:33,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:33,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 84 transitions. [2022-10-17 16:35:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2022-10-17 16:35:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:35:34,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:34,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2022-10-17 16:35:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2022-10-17 16:35:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:35,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:35,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2022-10-17 16:35:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2022-10-17 16:35:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:35,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:35,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:35:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 74 states and 89 transitions. [2022-10-17 16:35:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2022-10-17 16:35:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:36,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:36,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2022-10-17 16:35:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-10-17 16:35:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:36,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:36,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2022-10-17 16:35:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2022-10-17 16:35:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:37,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:37,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:37,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2022-10-17 16:35:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2022-10-17 16:35:37,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:37,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:37,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:38,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2022-10-17 16:35:38,174 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2022-10-17 16:35:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:35:38,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:38,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2022-10-17 16:35:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-10-17 16:35:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:39,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 103 transitions. [2022-10-17 16:35:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2022-10-17 16:35:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:39,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:35:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2022-10-17 16:35:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2022-10-17 16:35:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:40,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:40,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2022-10-17 16:35:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2022-10-17 16:35:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:40,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2022-10-17 16:35:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2022-10-17 16:35:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:41,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:41,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 91 states and 109 transitions. [2022-10-17 16:35:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 109 transitions. [2022-10-17 16:35:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:41,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:41,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2022-10-17 16:35:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2022-10-17 16:35:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:42,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:42,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:42,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2022-10-17 16:35:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2022-10-17 16:35:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:35:42,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-10-17 16:35:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-10-17 16:35:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:35:50,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.