./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/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_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- 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 17:04:04,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:04,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:04,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:04,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:04,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:04,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:04,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:04,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:04,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:04,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:04,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:04,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:04,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:04,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:04,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:04,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:04,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:04,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:04,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:04,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:04,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:04,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:04,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:04,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:04,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:04,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:04,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:04,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:04,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:04,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:04,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:04,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:04,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:04,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:04,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:04,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:04,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:04,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:04,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:04,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:04,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:04,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:04,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:04,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:04,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:04,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:04,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:04,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:04,867 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:04,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:04,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:04,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:04,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:04,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:04,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:04,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:04,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:04,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:04,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:04,870 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:04,871 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:04,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:04,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:04,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:04,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:04,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:04,872 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:04,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:04,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:04,873 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_f2311270-c47a-4d00-ab21-d343ff4c1de0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2022-10-17 17:04:05,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:05,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:05,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:05,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:05,172 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:05,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ifcomp.c [2022-10-17 17:04:05,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/data/9ea91c6cb/6d348985204f4ccc95268f2cf8a962e6/FLAG396b55381 [2022-10-17 17:04:05,697 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:05,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/sv-benchmarks/c/array-fpi/ifcomp.c [2022-10-17 17:04:05,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/data/9ea91c6cb/6d348985204f4ccc95268f2cf8a962e6/FLAG396b55381 [2022-10-17 17:04:06,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/data/9ea91c6cb/6d348985204f4ccc95268f2cf8a962e6 [2022-10-17 17:04:06,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:06,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:06,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:06,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:06,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:06,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b3a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06, skipping insertion in model container [2022-10-17 17:04:06,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:06,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:06,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-10-17 17:04:06,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:06,351 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:06,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-10-17 17:04:06,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:06,388 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:06,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06 WrapperNode [2022-10-17 17:04:06,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:06,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:06,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:06,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:06,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,429 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2022-10-17 17:04:06,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:06,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:06,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:06,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:06,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:06,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:06,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:06,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:06,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:06,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:06,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2311270-c47a-4d00-ab21-d343ff4c1de0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:04:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:06,664 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:06,666 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:06,888 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:06,968 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:06,968 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:04:06,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:06 BoogieIcfgContainer [2022-10-17 17:04:06,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:06,972 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:06,972 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:06,982 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:06,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 17:04:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 17:04:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:04:07,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:04:07,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:07,394 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 17:04:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 17:04:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 17:04:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:04:07,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:04:07,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:07,565 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 17:04:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 17:04:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 17:04:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:04:07,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:04:07,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 17:04:07,857 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 17:04:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:04:07,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:04:08,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:08,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2022-10-17 17:04:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2022-10-17 17:04:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:08,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:08,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:08,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:08,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-10-17 17:04:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-10-17 17:04:09,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:04:09,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:09,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:09,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2022-10-17 17:04:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2022-10-17 17:04:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:10,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:10,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:04:10,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:10,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:10,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:04:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2022-10-17 17:04:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2022-10-17 17:04:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:12,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:12,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:12,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 17:04:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 17:04:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:12,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:12,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:04:12,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:14,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2022-10-17 17:04:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2022-10-17 17:04:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:14,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:04:15,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:04:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2022-10-17 17:04:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2022-10-17 17:04:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:15,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:04:17,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:17,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:17,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:17,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:17,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2022-10-17 17:04:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2022-10-17 17:04:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:17,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:18,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:18,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:18,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-10-17 17:04:18,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:18,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:18,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:18,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:19,011 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:19,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:19,611 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:19,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2022-10-17 17:04:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 17:04:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:25,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:25,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:04:25,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:25,639 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:25,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:25,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:25,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:25,779 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:25,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:26,068 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:26,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:26,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2022-10-17 17:04:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 17:04:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:26,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:26,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:04:26,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:26,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:26,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:26,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:26,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:26,658 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:26,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:26,848 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:26,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2022-10-17 17:04:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 17:04:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:26,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:27,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:04:27,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:27,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-10-17 17:04:27,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:27,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:27,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:28,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:30,431 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:30,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:30,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:30,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:30,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:30,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-10-17 17:04:30,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:30,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:30,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:30,912 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:30,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:31,154 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:31,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:31,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:31,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:31,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:04:31,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:31,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:31,529 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:31,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:31,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:31,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:31,596 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:31,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:31,803 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:31,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:31,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:31,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:32,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:32,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:32,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:32,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:32,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:32,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:32,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:32,303 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:32,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:32,586 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:32,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:32,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:32,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:32,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:04:32,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:32,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:32,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:32,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:32,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:32,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:32,955 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:32,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:33,162 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:33,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:33,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:33,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:33,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:33,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:33,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-10-17 17:04:33,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:33,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:33,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:33,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:33,670 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:33,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:33,951 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:33,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:33,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:33,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:34,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:34,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:34,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-10-17 17:04:34,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:34,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:34,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:34,373 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:34,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:34,570 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:34,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:34,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:34,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:34,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:34,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:34,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:35,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:35,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:35,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:35,118 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:35,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:35,197 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:35,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:35,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:35,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:35,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:04:35,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:35,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-10-17 17:04:35,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:35,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:35,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:35,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:35,592 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:35,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 17:04:35,830 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 17:04:35,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-10-17 17:04:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2022-10-17 17:04:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-10-17 17:04:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:35,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:35,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:04:36,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:36,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-10-17 17:04:36,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:04:36,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:36,259 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 17:04:36,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-17 17:04:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:04:36,307 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 17:04:36,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32