./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8266a4ea95b9e4223f8b08ac8ccf14874ced037158e20412a04b64da93889ae0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:39,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:39,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:39,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:39,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:39,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:39,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:39,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:39,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:39,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:39,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:39,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:39,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:39,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:39,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:39,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:39,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:39,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:39,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:39,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:39,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:39,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:39,833 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:39,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:39,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:39,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:39,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:39,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:39,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:39,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:39,839 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:39,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:39,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:39,841 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_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8266a4ea95b9e4223f8b08ac8ccf14874ced037158e20412a04b64da93889ae0 [2023-11-19 02:45:40,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:40,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:40,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:40,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:40,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:40,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c [2023-11-19 02:45:43,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:43,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:43,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c [2023-11-19 02:45:43,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/data/d53c75db7/8e2ba18281c24ea3bdb7624d85cb4b3f/FLAG4d92949c4 [2023-11-19 02:45:43,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/data/d53c75db7/8e2ba18281c24ea3bdb7624d85cb4b3f [2023-11-19 02:45:43,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:43,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:43,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:43,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:43,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:43,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:43" (1/1) ... [2023-11-19 02:45:43,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aafdfc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:43, skipping insertion in model container [2023-11-19 02:45:43,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:43" (1/1) ... [2023-11-19 02:45:43,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:44,064 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c[546,559] [2023-11-19 02:45:44,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:44,100 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:44,114 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c[546,559] [2023-11-19 02:45:44,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:44,139 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:44,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44 WrapperNode [2023-11-19 02:45:44,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:44,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:44,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:44,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:44,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,180 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 02:45:44,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:44,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:44,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:44,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:44,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:44,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:44,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:44,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:44,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:44,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:44,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:44,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b02cb6c-6062-44b0-9714-83966856ba3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:45:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:45:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:44,358 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:44,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:44,573 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:44,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:44,616 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:44,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:44 BoogieIcfgContainer [2023-11-19 02:45:44,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:44,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:44,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:44,634 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:44,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 02:45:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 02:45:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:45:44,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:44,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:44,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:45:44,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-11-19 02:45:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-19 02:45:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:45,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:45,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:45,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-19 02:45:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-19 02:45:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:45,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:45,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:45:45,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-19 02:45:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-19 02:45:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:46,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-19 02:45:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-19 02:45:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:46,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:47,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-11-19 02:45:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 02:45:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:47,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:47,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:47,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:45:47,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-11-19 02:45:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 02:45:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:47,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:47,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:47,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:45:47,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-11-19 02:45:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 02:45:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:47,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:47,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:45:47,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-11-19 02:45:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 02:45:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:47,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:47,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:47,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:45:47,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2023-11-19 02:45:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2023-11-19 02:45:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:45:48,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:48,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:48,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:45:48,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:45:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2023-11-19 02:45:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2023-11-19 02:45:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:45:49,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:49,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:45:49,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:45:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2023-11-19 02:45:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2023-11-19 02:45:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:45:50,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:50,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:50,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:45:50,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:45:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2023-11-19 02:45:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2023-11-19 02:45:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:45:59,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:46:04,243 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse1 (<= 1 |c_ULTIMATE.start_main_~z~0#1|))) (and (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_30| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1|))) (and (= (+ |c_ULTIMATE.start_main_~z~0#1| (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (+ |c_ULTIMATE.start_main_~y~0#1| .cse0)) (= (+ .cse0 1) |c_ULTIMATE.start_main_~x~0#1|)))) .cse1)) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse2 |c_ULTIMATE.start_main_~z~0#1| 1)) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 1) (= |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| .cse2) (= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~z~0#1| 1)))) .cse1)) is different from false [2023-11-19 02:46:05,144 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse2 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse1 (<= 1 |c_ULTIMATE.start_main_~z~0#1|))) (and (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_30| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1|))) (and (= (+ |c_ULTIMATE.start_main_~z~0#1| (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (+ |c_ULTIMATE.start_main_~y~0#1| .cse0)) (= (+ .cse0 1) |c_ULTIMATE.start_main_~x~0#1|)))) .cse1)) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse2 |c_ULTIMATE.start_main_~z~0#1| 1)) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 1) (= |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| .cse2) (= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~z~0#1| 1)))) .cse1))) is different from true [2023-11-19 02:46:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 103 transitions. [2023-11-19 02:46:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2023-11-19 02:46:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:05,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:05,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:05,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:46:05,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:46:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2023-11-19 02:46:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2023-11-19 02:46:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:06,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:06,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:06,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 118 transitions. [2023-11-19 02:46:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2023-11-19 02:46:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:07,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:07,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:07,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:07,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 118 transitions. [2023-11-19 02:46:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2023-11-19 02:46:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:08,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:08,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:46:08,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:46:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 127 transitions. [2023-11-19 02:46:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2023-11-19 02:46:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:09,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:46:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 127 transitions. [2023-11-19 02:46:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2023-11-19 02:46:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:09,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:46:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 127 transitions. [2023-11-19 02:46:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2023-11-19 02:46:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:11,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:11,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:11,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:11,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 127 transitions. [2023-11-19 02:46:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2023-11-19 02:46:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:12,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:12,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:12,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:12,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 127 transitions. [2023-11-19 02:46:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2023-11-19 02:46:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:17,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:17,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:46:17,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:46:22,048 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_30| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1|))) (and (= (+ |c_ULTIMATE.start_main_~z~0#1| (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (+ |c_ULTIMATE.start_main_~y~0#1| .cse0)) (= (+ .cse0 1) |c_ULTIMATE.start_main_~x~0#1|)))) (<= 1 |c_ULTIMATE.start_main_~z~0#1|))) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse1 |c_ULTIMATE.start_main_~z~0#1| 1)) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 1) (= |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| .cse1) (= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~z~0#1| 1)))))) is different from false [2023-11-19 02:46:23,760 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse1 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_30| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1|))) (and (= (+ |c_ULTIMATE.start_main_~z~0#1| (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (+ |c_ULTIMATE.start_main_~y~0#1| .cse0)) (= (+ .cse0 1) |c_ULTIMATE.start_main_~x~0#1|)))) (<= 1 |c_ULTIMATE.start_main_~z~0#1|))) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse1 |c_ULTIMATE.start_main_~z~0#1| 1)) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 1) (= |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| .cse1) (= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~z~0#1| 1))))))) is different from true [2023-11-19 02:46:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 64 states and 140 transitions. [2023-11-19 02:46:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 140 transitions. [2023-11-19 02:46:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:24,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:46:24,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:46:30,034 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (<= |c_ULTIMATE.start_main_~z~0#1| 20) (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_30| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1|))) (and (= (+ |c_ULTIMATE.start_main_~z~0#1| (* |v_ULTIMATE.start_main_~x~0#1_30| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (+ |c_ULTIMATE.start_main_~y~0#1| .cse0)) (= (+ .cse0 1) |c_ULTIMATE.start_main_~x~0#1|)))) (<= 1 |c_ULTIMATE.start_main_~z~0#1|))) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse1 |c_ULTIMATE.start_main_~z~0#1| 1)) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 1) (= |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| .cse1) (= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~z~0#1| 1)))) (<= 0 |c_ULTIMATE.start_main_~z~0#1|))) is different from false