./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:28,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:28,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:29:28,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:28,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:28,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:28,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:28,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:28,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:28,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:28,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:28,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:28,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:29:28,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:28,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:29:28,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:28,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:28,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:28,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:28,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:28,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:28,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:29:28,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:28,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:28,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:28,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:28,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:28,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:28,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:28,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:28,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:28,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:28,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:28,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:28,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:28,633 INFO L153 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_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec [2023-11-21 18:29:28,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:29,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:29,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:29,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:29,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:29,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2023-11-21 18:29:32,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:32,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:32,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2023-11-21 18:29:32,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/data/52fce7219/803b9d79c9f341f6b93a17102f704d31/FLAGd39e75cec [2023-11-21 18:29:32,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/data/52fce7219/803b9d79c9f341f6b93a17102f704d31 [2023-11-21 18:29:32,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:32,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:32,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:32,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:32,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:32,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3120ebd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32, skipping insertion in model container [2023-11-21 18:29:32,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:32,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:32,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:32,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:32,679 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:32,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32 WrapperNode [2023-11-21 18:29:32,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:32,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:32,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:32,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:32,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,722 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-21 18:29:32,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:32,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:32,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:32,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:32,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:32,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:32,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:32,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:32,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:32" (1/1) ... [2023-11-21 18:29:32,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:32,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:32,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:32,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fa3f03-17cb-43ae-a52d-4fbe2ed39d64/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:29:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:29:32,906 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:32,908 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:33,396 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:33,459 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:33,459 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:29:33,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:33 BoogieIcfgContainer [2023-11-21 18:29:33,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:33,462 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:33,462 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:33,474 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:33,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:33" (1/1) ... [2023-11-21 18:29:33,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 113 states and 119 transitions. [2023-11-21 18:29:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2023-11-21 18:29:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:29:33,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:33,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2023-11-21 18:29:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2023-11-21 18:29:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:29:33,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:33,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 116 states and 122 transitions. [2023-11-21 18:29:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2023-11-21 18:29:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:29:33,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:33,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 117 states and 123 transitions. [2023-11-21 18:29:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2023-11-21 18:29:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:29:33,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:33,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-21 18:29:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-21 18:29:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:29:34,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-21 18:29:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-21 18:29:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:29:34,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-21 18:29:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-21 18:29:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:29:34,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2023-11-21 18:29:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2023-11-21 18:29:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:29:34,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-21 18:29:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-21 18:29:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:29:34,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2023-11-21 18:29:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2023-11-21 18:29:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:29:34,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:34,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 124 states and 131 transitions. [2023-11-21 18:29:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2023-11-21 18:29:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:29:34,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:29:34,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-21 18:29:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-21 18:29:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:29:34,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:34,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 138 states and 149 transitions. [2023-11-21 18:29:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2023-11-21 18:29:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:29:34,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:34,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 154 states and 170 transitions. [2023-11-21 18:29:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 170 transitions. [2023-11-21 18:29:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:29:35,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:35,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:35,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:35,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 171 states and 192 transitions. [2023-11-21 18:29:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 192 transitions. [2023-11-21 18:29:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:29:35,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:35,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:35,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:35,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 174 states and 196 transitions. [2023-11-21 18:29:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 196 transitions. [2023-11-21 18:29:36,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:29:36,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:36,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:36,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:36,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 177 states and 200 transitions. [2023-11-21 18:29:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 200 transitions. [2023-11-21 18:29:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:29:36,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:36,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:36,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:36,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 179 states and 204 transitions. [2023-11-21 18:29:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2023-11-21 18:29:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:29:36,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:36,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:36,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:36,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 182 states and 209 transitions. [2023-11-21 18:29:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2023-11-21 18:29:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:29:36,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:36,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:36,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:36,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 184 states and 212 transitions. [2023-11-21 18:29:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 212 transitions. [2023-11-21 18:29:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:29:37,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:37,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:37,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 188 states and 217 transitions. [2023-11-21 18:29:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 217 transitions. [2023-11-21 18:29:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:29:38,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:38,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:38,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:38,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 189 states and 219 transitions. [2023-11-21 18:29:38,379 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 219 transitions. [2023-11-21 18:29:38,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:29:38,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:38,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:38,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2023-11-21 18:29:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2023-11-21 18:29:38,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:29:38,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:38,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:38,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:38,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:39,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:39,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 201 states and 237 transitions. [2023-11-21 18:29:39,445 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2023-11-21 18:29:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:29:39,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:39,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:39,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:39,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 202 states and 238 transitions. [2023-11-21 18:29:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 238 transitions. [2023-11-21 18:29:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:29:39,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:39,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:39,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:39,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:40,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 213 states and 254 transitions. [2023-11-21 18:29:40,516 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 254 transitions. [2023-11-21 18:29:40,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:29:40,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:40,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:40,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:40,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 215 states and 256 transitions. [2023-11-21 18:29:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 256 transitions. [2023-11-21 18:29:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:29:40,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:40,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:40,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 214 states and 255 transitions. [2023-11-21 18:29:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 255 transitions. [2023-11-21 18:29:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:29:40,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:40,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:40,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:40,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 219 states and 265 transitions. [2023-11-21 18:29:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 265 transitions. [2023-11-21 18:29:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:29:41,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:41,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:41,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 218 states and 264 transitions. [2023-11-21 18:29:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2023-11-21 18:29:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:29:41,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:41,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:41,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:41,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 224 states and 275 transitions. [2023-11-21 18:29:42,236 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 275 transitions. [2023-11-21 18:29:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:29:42,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:42,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:42,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:42,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 234 states and 292 transitions. [2023-11-21 18:29:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 292 transitions. [2023-11-21 18:29:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:29:43,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:43,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:43,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 249 states and 314 transitions. [2023-11-21 18:29:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 314 transitions. [2023-11-21 18:29:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:29:45,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:45,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:45,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:45,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 248 states and 313 transitions. [2023-11-21 18:29:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 313 transitions. [2023-11-21 18:29:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:29:45,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:45,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:45,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:45,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 247 states and 312 transitions. [2023-11-21 18:29:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 312 transitions. [2023-11-21 18:29:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:29:45,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:45,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:45,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:45,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 270 states and 341 transitions. [2023-11-21 18:29:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 341 transitions. [2023-11-21 18:29:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:29:47,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:47,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:47,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:47,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 269 states and 340 transitions. [2023-11-21 18:29:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 340 transitions. [2023-11-21 18:29:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:29:47,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:47,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:47,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:47,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:29:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 293 states and 369 transitions. [2023-11-21 18:29:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-11-21 18:29:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:29:48,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:48,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:48,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 292 states and 368 transitions. [2023-11-21 18:29:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 368 transitions. [2023-11-21 18:29:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:29:48,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:48,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:48,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:48,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:29:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 291 states and 367 transitions. [2023-11-21 18:29:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 367 transitions. [2023-11-21 18:29:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:29:49,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:49,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:29:49,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 290 states and 366 transitions. [2023-11-21 18:29:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 366 transitions. [2023-11-21 18:29:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:29:49,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:49,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:49,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:29:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 289 states and 365 transitions. [2023-11-21 18:29:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 365 transitions. [2023-11-21 18:29:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:29:49,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:49,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:49,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:49,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 300 states and 382 transitions. [2023-11-21 18:29:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 382 transitions. [2023-11-21 18:29:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:29:50,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:50,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:29:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 299 states and 381 transitions. [2023-11-21 18:29:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2023-11-21 18:29:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:29:50,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:29:50,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 298 states and 380 transitions. [2023-11-21 18:29:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 380 transitions. [2023-11-21 18:29:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:29:50,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:50,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:29:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 297 states and 379 transitions. [2023-11-21 18:29:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 379 transitions. [2023-11-21 18:29:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:29:50,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:50,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:50,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 311 states and 396 transitions. [2023-11-21 18:29:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 396 transitions. [2023-11-21 18:29:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:29:51,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-21 18:29:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 310 states and 395 transitions. [2023-11-21 18:29:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 395 transitions. [2023-11-21 18:29:51,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:29:51,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 325 states and 412 transitions. [2023-11-21 18:29:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 412 transitions. [2023-11-21 18:29:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:29:52,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:52,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 324 states and 411 transitions. [2023-11-21 18:29:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 411 transitions. [2023-11-21 18:29:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:29:52,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:52,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 340 states and 430 transitions. [2023-11-21 18:29:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 430 transitions. [2023-11-21 18:29:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:29:53,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:53,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 339 states and 429 transitions. [2023-11-21 18:29:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 429 transitions. [2023-11-21 18:29:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:29:53,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:53,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:53,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 349 states and 443 transitions. [2023-11-21 18:29:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 443 transitions. [2023-11-21 18:29:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:29:55,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:55,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:55,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:56,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 367 states and 463 transitions. [2023-11-21 18:29:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 463 transitions. [2023-11-21 18:29:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:29:56,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:56,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 366 states and 462 transitions. [2023-11-21 18:29:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 462 transitions. [2023-11-21 18:29:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:29:57,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:57,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:57,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:57,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 365 states and 461 transitions. [2023-11-21 18:29:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 461 transitions. [2023-11-21 18:29:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:29:58,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:58,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:58,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:58,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:29:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 364 states and 460 transitions. [2023-11-21 18:29:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 460 transitions. [2023-11-21 18:29:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:29:59,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:59,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:59,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 380 states and 484 transitions. [2023-11-21 18:30:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 484 transitions. [2023-11-21 18:30:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:30:00,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:00,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:00,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:00,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 402 states and 509 transitions. [2023-11-21 18:30:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 509 transitions. [2023-11-21 18:30:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:30:03,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:03,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:03,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:03,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 418 states and 529 transitions. [2023-11-21 18:30:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 529 transitions. [2023-11-21 18:30:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:04,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:04,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:04,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:04,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 417 states and 528 transitions. [2023-11-21 18:30:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 528 transitions. [2023-11-21 18:30:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:05,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:05,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:05,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:05,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 434 states and 551 transitions. [2023-11-21 18:30:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 551 transitions. [2023-11-21 18:30:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:30:06,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:06,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:06,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:06,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 458 states and 578 transitions. [2023-11-21 18:30:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 578 transitions. [2023-11-21 18:30:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:30:10,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:10,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:10,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 461 states and 589 transitions. [2023-11-21 18:30:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 589 transitions. [2023-11-21 18:30:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:30:11,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:11,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:11,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 464 states and 592 transitions. [2023-11-21 18:30:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 592 transitions. [2023-11-21 18:30:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:30:12,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:12,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:12,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:12,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 467 states and 598 transitions. [2023-11-21 18:30:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 598 transitions. [2023-11-21 18:30:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:30:13,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:13,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:13,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 470 states and 604 transitions. [2023-11-21 18:30:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 604 transitions. [2023-11-21 18:30:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:30:14,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:14,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:14,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:14,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 475 states and 612 transitions. [2023-11-21 18:30:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 612 transitions. [2023-11-21 18:30:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:30:16,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:16,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:16,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:16,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:30:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 475 states and 611 transitions. [2023-11-21 18:30:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 611 transitions. [2023-11-21 18:30:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:30:16,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:16,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:16,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:16,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 477 states and 616 transitions. [2023-11-21 18:30:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 616 transitions. [2023-11-21 18:30:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:30:17,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:17,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:17,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:30:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 484 states and 626 transitions. [2023-11-21 18:30:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 626 transitions. [2023-11-21 18:30:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:30:19,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:19,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:19,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:30:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 491 states and 636 transitions. [2023-11-21 18:30:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 636 transitions. [2023-11-21 18:30:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:30:21,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:21,043 INFO L285 TraceCheckSpWp]: Computing forward predicates...