./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.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_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/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_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/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_3db784b5-ec89-48b1-a498-5b0f3c9c3875/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 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:53,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:53,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:53,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:53,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:53,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:53,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:53,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:53,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:53,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:53,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:53,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:53,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:53,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:53,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:53,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:53,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:53,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:53,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:53,508 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:53,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:53,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:53,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:53,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:53,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:53,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:53,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:53,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:53,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:53,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:53,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:53,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:53,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:53,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:53,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:53,516 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_3db784b5-ec89-48b1-a498-5b0f3c9c3875/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e [2023-11-21 18:52:53,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:53,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:53,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:53,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:53,905 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:53,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2023-11-21 18:52:56,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:57,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:57,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2023-11-21 18:52:57,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/data/60a13513e/f988611331f644808c61940f54b696f3/FLAG6fabebfdd [2023-11-21 18:52:57,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/data/60a13513e/f988611331f644808c61940f54b696f3 [2023-11-21 18:52:57,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:57,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:57,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:57,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:57,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:57,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed21708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57, skipping insertion in model container [2023-11-21 18:52:57,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:57,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:57,481 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:57,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:57,518 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:57,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57 WrapperNode [2023-11-21 18:52:57,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:57,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:57,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:57,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:57,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,589 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-21 18:52:57,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:57,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:57,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:57,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:57,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:57,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:57,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:57,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:57,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:57" (1/1) ... [2023-11-21 18:52:57,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:57,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:57,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:57,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db784b5-ec89-48b1-a498-5b0f3c9c3875/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:52:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:52:57,808 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:57,811 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:58,107 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:58,165 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:58,165 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:52:58,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:58 BoogieIcfgContainer [2023-11-21 18:52:58,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:58,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:58,168 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:58,184 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:58,185 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:58" (1/1) ... [2023-11-21 18:52:58,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-21 18:52:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-21 18:52:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:52:58,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,493 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 18:52:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 73 transitions. [2023-11-21 18:52:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-21 18:52:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:52:58,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,663 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 18:52:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 74 transitions. [2023-11-21 18:52:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-21 18:52:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:58,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,800 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 18:52:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 75 transitions. [2023-11-21 18:52:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-21 18:52:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:58,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:58,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:58,965 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 18:52:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 76 states and 82 transitions. [2023-11-21 18:52:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-11-21 18:52:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:52:59,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:59,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:59,421 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 18:52:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 91 transitions. [2023-11-21 18:52:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-21 18:52:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:52:59,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:59,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:00,076 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 18:53:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 94 transitions. [2023-11-21 18:53:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-21 18:53:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:00,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:00,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:00,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:00,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:00,351 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 18:53:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 85 states and 96 transitions. [2023-11-21 18:53:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-21 18:53:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:00,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:00,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:00,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:00,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:00,806 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 18:53:01,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 110 transitions. [2023-11-21 18:53:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2023-11-21 18:53:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:01,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:01,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:01,991 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 18:53:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 126 transitions. [2023-11-21 18:53:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2023-11-21 18:53:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:53:03,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:03,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:03,263 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 18:53:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 128 transitions. [2023-11-21 18:53:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2023-11-21 18:53:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:53:03,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:03,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:03,596 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 18:53:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 131 transitions. [2023-11-21 18:53:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-21 18:53:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:03,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:03,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:53:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 122 states and 154 transitions. [2023-11-21 18:53:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 154 transitions. [2023-11-21 18:53:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:05,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:05,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:05,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:05,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:05,787 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 18:53:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 137 states and 179 transitions. [2023-11-21 18:53:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2023-11-21 18:53:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:07,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:07,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:07,757 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 18:53:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 147 states and 196 transitions. [2023-11-21 18:53:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-21 18:53:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:08,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:08,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:08,964 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 18:53:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 163 states and 221 transitions. [2023-11-21 18:53:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 221 transitions. [2023-11-21 18:53:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:10,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:10,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:10,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:10,800 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 18:53:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 168 states and 233 transitions. [2023-11-21 18:53:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2023-11-21 18:53:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:11,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:11,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:11,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:11,830 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 18:53:15,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 173 states and 244 transitions. [2023-11-21 18:53:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-21 18:53:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:15,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,736 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 18:53:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 179 states and 257 transitions. [2023-11-21 18:53:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 257 transitions. [2023-11-21 18:53:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:19,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:19,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:20,440 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 18:53:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 185 states and 269 transitions. [2023-11-21 18:53:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 269 transitions. [2023-11-21 18:53:25,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:25,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:25,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,676 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 18:53:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 192 states and 284 transitions. [2023-11-21 18:53:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2023-11-21 18:53:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:42,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:42,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:42,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:42,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:42,879 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 18:53:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 191 states and 283 transitions. [2023-11-21 18:53:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 283 transitions. [2023-11-21 18:53:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:53:42,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:42,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:42,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:42,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:45,582 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| |ULTIMATE.start_main_~z~0#1|))) (and (<= (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|) .cse0) (<= 1 |v_ULTIMATE.start_main_~x~0#1_54|) (<= .cse0 9223372036854775807)))) is different from true [2023-11-21 18:53:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.